No problem, we've got 72689450 and 47132386 to multiply
72689450 × 47132386 = 47132386 × (72689450)
+ 47132386 × 0 that results in 0
+ 47132386 × 50 yielding 2356619300
+ 47132386 × 400 giving us 18852954400
+ 47132386 × 9000 what gives us 424191474000
+ 47132386 × 80000 giving us 3770590880000
+ 47132386 × 600000 producing 28279431600000
+ 47132386 × 2000000 giving us 94264772000000
+ 47132386 × 70000000 yielding 3299267020000000

= 3426027215527700
