We're going to solve 1559 multiplied by 2139
1559 × 2139 = 2139 × (1559)
+ 2139 × 9 that is equal 19251
+ 2139 × 50 what gives us 106950
+ 2139 × 500 that equals 1069500
+ 2139 × 1000 which equals 2139000

= 3334701
