No problem, we've got 5715349 and 71062999 to multiply
5715349 × 71062999 = 71062999 × (5715349)
+ 71062999 × 9 yielding 639566991
+ 71062999 × 40 yielding 2842519960
+ 71062999 × 300 that equals 21318899700
+ 71062999 × 5000 that results in 355314995000
+ 71062999 × 10000 what gives us 710629990000
+ 71062999 × 700000 what gives us 49744099300000
+ 71062999 × 5000000 giving us 355314995000000

= 406149840271651
