No problem, we've got 87044321 and 70539756 to multiply
87044321 × 70539756 = 70539756 × (87044321)
+ 70539756 × 1 what gives us 70539756
+ 70539756 × 20 that results in 1410795120
+ 70539756 × 300 producing 21161926800
+ 70539756 × 4000 that results in 282159024000
+ 70539756 × 40000 yielding 2821590240000
+ 70539756 × 000000 that is equal 0
+ 70539756 × 7000000 that equals 493778292000000
+ 70539756 × 80000000 what gives us 5643180480000000

= 6140085164525676
