We're going to solve 3240 multiplied by 3155
3240 × 3155 = 3155 × (3240)
+ 3155 × 0 yielding 0
+ 3155 × 40 giving us 126200
+ 3155 × 200 that is equal 631000
+ 3155 × 3000 resulting in 9465000

= 10222200
