@Phijkchu_Pikachu:
d7777+d777 + d77 + d7 = (3300)+(696) + (40) + (5) = 4041
d7777+d777 + d77 + d7 = (3300)+(696) + (40) + (5) = 4041d7777+d777 + d77 + d7 = (322)+(696) + (11) + (1) = 1030d7777 = (1547) = 1547d7777+d777 + d77 + d7 = (4863)+(230) + (2) + (7) = 5102d7777+d777 + d77 + d7 = (1024)+(354) + (32) + (5) = 1415d7777+d777 + d77 + d7 = (4507)+(534) + (25) + (3) = 5069d7777+d777 + d77 + d7 = (6758)+(734) + (4) + (4) = 7500d7777+d777 + d77 + d7 = (5310)+(496) + (48) + (7) = 5861d7777+d777 + d77 + d7 = (2388)+(376) + (38) + (5) = 2807d77777+d7777+d777+d77+d7 = (36106)+(315)+(205)+(28)+(2) = 36656d7777+d777 + d77 + d7 = (7040)+(89) + (41) + (4) = 7174d7777+d777 + d77 + d7 = (7152)+(53) + (23) + (1) = 7229d7777+d777 + d77 + d7 = (3688)+(59) + (33) + (4) = 3784d7777+d777 + d77 + d7 = (6758)+(197) + (6) + (4) = 6965d7777+d777 + d77 + d7 = (2532)+(26) + (53) + (2) = 2613d7000+d700+d70+d7 = (1661)+(56)+(44)+(5) = 1766d7777+d777 + d77 + d7 = (4690)+(150) + (27) + (7) = 4874d7777+d777 + d77 + d7 = (1129)+(682) + (58) + (4) = 1873d7777+d777 + d77 + d7 = (4178)+(177) + (1) + (2) = 4358d7777+d777 + d77 + d7 = (1423)+(585) + (10) + (1) = 2019d7777+d777 + d77 + d7 = (6633)+(83) + (43) + (7) = 6766d7777+d777 + d77 + d7 = (6707)+(696) + (50) + (1) = 7454d7777+d777 + d77 + d7 = (314)+(281) + (1) + (2) = 598d7000+d700+d70+d7 = (5034)+(608)+(70)+(4) = 5716d7777+d777 + d77 + d7 = (2983)+(590) + (46) + (7) = 3626d7777+d777 + d77 + d7 = (7527)+(640) + (15) + (6) = 8188d7000+d700+d70+d7 = (1281)+(617)+(48)+(6) = 1952d7777+d777 + d77 + d7 = (6417)+(168) + (27) + (2) = 6614d7000+d700+d70+d7 = (6966)+(320)+(48)+(3) = 7337d7777+d777 + d77 + d7 = (4001)+(431) + (31) + (4) = 4467d7000+d700+d70+d7 = (5499)+(146)+(1)+(2) = 5648d7777+d777 + d77 + d7 = (4630)+(107) + (1) + (3) = 4741d7000+d700+d70+d7 = (866)+(111)+(50)+(3) = 1030d7000+d700+d70+d7 = (4425)+(555)+(40)+(7) = 5027d7777+d777 + d77 + d7 = (5669)+(371) + (8) + (6) = 6054d7000+d700+d70+d7 = (6286)+(230)+(54)+(5) = 6575d7000+d700+d70+d7 = (102)+(545)+(67)+(2) = 716