No problem, we've got 87455798 and 91373794 to multiply
87455798 × 91373794 = 91373794 × (87455798)
+ 91373794 × 8 that equals 730990352
+ 91373794 × 90 that equals 8223641460
+ 91373794 × 700 that equals 63961655800
+ 91373794 × 5000 giving us 456868970000
+ 91373794 × 50000 yielding 4568689700000
+ 91373794 × 400000 what gives us 36549517600000
+ 91373794 × 7000000 giving us 639616558000000
+ 91373794 × 80000000 resulting in 7309903520000000

= 7991168070557612
