We're going to solve 1601 multiplied by 1139
1601 × 1139 = 1139 × (1601)
+ 1139 × 1 that results in 1139
+ 1139 × 00 which equals 0
+ 1139 × 600 that equals 683400
+ 1139 × 1000 which equals 1139000

= 1823539
