We're going to solve 31899883 multiplied by 36538736
31899883 × 36538736 = 36538736 × (31899883)
+ 36538736 × 3 yielding 109616208
+ 36538736 × 80 yielding 2923098880
+ 36538736 × 800 yielding 29230988800
+ 36538736 × 9000 what gives us 328848624000
+ 36538736 × 90000 that results in 3288486240000
+ 36538736 × 800000 that equals 29230988800000
+ 36538736 × 1000000 that results in 36538736000000
+ 36538736 × 30000000 which equals 1096162080000000

= 1165581403367888
