We're going to solve 9440 multiplied by 2138
9440 × 2138 = 2138 × (9440)
+ 2138 × 0 what gives us 0
+ 2138 × 40 which equals 85520
+ 2138 × 400 which equals 855200
+ 2138 × 9000 resulting in 19242000

= 20182720
