No problem, we've got 77987614 and 99850027 to multiply
77987614 × 99850027 = 99850027 × (77987614)
+ 99850027 × 4 giving us 399400108
+ 99850027 × 10 that results in 998500270
+ 99850027 × 600 resulting in 59910016200
+ 99850027 × 7000 resulting in 698950189000
+ 99850027 × 80000 resulting in 7988002160000
+ 99850027 × 900000 which equals 89865024300000
+ 99850027 × 7000000 that results in 698950189000000
+ 99850027 × 70000000 producing 6989501890000000

= 7787065363565578
