No problem, we've got 70843234 and 72536081 to multiply
70843234 × 72536081 = 72536081 × (70843234)
+ 72536081 × 4 that is equal 290144324
+ 72536081 × 30 producing 2176082430
+ 72536081 × 200 yielding 14507216200
+ 72536081 × 3000 yielding 217608243000
+ 72536081 × 40000 that equals 2901443240000
+ 72536081 × 800000 producing 58028864800000
+ 72536081 × 0000000 resulting in 0
+ 72536081 × 70000000 yielding 5077525670000000

= 5138690559725954
