No problem, we've got 70037457 and 77450914 to multiply
70037457 × 77450914 = 77450914 × (70037457)
+ 77450914 × 7 yielding 542156398
+ 77450914 × 50 what gives us 3872545700
+ 77450914 × 400 that is equal 30980365600
+ 77450914 × 7000 giving us 542156398000
+ 77450914 × 30000 yielding 2323527420000
+ 77450914 × 000000 yielding 0
+ 77450914 × 0000000 that is equal 0
+ 77450914 × 70000000 giving us 5421563980000000

= 5424465058885698
