No problem, we've got 78628726 and 69049544 to multiply
78628726 × 69049544 = 69049544 × (78628726)
+ 69049544 × 6 what gives us 414297264
+ 69049544 × 20 yielding 1380990880
+ 69049544 × 700 what gives us 48334680800
+ 69049544 × 8000 that is equal 552396352000
+ 69049544 × 20000 which equals 1380990880000
+ 69049544 × 600000 yielding 41429726400000
+ 69049544 × 8000000 what gives us 552396352000000
+ 69049544 × 70000000 giving us 4833468080000000

= 5429277675600944
