No problem, we've got 78099629 and 61073704 to multiply
78099629 × 61073704 = 61073704 × (78099629)
+ 61073704 × 9 yielding 549663336
+ 61073704 × 20 giving us 1221474080
+ 61073704 × 600 yielding 36644222400
+ 61073704 × 9000 that is equal 549663336000
+ 61073704 × 90000 resulting in 5496633360000
+ 61073704 × 000000 that results in 0
+ 61073704 × 8000000 which equals 488589632000000
+ 61073704 × 70000000 what gives us 4275159280000000

= 4769833624055816
