We're going to solve 1603 multiplied by 3320
1603 × 3320 = 3320 × (1603)
+ 3320 × 3 which equals 9960
+ 3320 × 00 what gives us 0
+ 3320 × 600 resulting in 1992000
+ 3320 × 1000 which equals 3320000

= 5321960
