No problem, we've got 71801341 and 87137604 to multiply
71801341 × 87137604 = 87137604 × (71801341)
+ 87137604 × 1 yielding 87137604
+ 87137604 × 40 giving us 3485504160
+ 87137604 × 300 which equals 26141281200
+ 87137604 × 1000 yielding 87137604000
+ 87137604 × 00000 giving us 0
+ 87137604 × 800000 resulting in 69710083200000
+ 87137604 × 1000000 that equals 87137604000000
+ 87137604 × 70000000 yielding 6099632280000000

= 6256596818726964
