We're going to solve 12842843 multiplied by 12663590
12842843 × 12663590 = 12663590 × (12842843)
+ 12663590 × 3 resulting in 37990770
+ 12663590 × 40 giving us 506543600
+ 12663590 × 800 giving us 10130872000
+ 12663590 × 2000 resulting in 25327180000
+ 12663590 × 40000 giving us 506543600000
+ 12663590 × 800000 producing 10130872000000
+ 12663590 × 2000000 giving us 25327180000000
+ 12663590 × 10000000 yielding 126635900000000

= 162636498186370
