We're going to solve 1605 multiplied by 1720
1605 × 1720 = 1720 × (1605)
+ 1720 × 5 what gives us 8600
+ 1720 × 00 that equals 0
+ 1720 × 600 that is equal 1032000
+ 1720 × 1000 producing 1720000

= 2760600
