We're going to solve 2644 multiplied by 1137
2644 × 1137 = 1137 × (2644)
+ 1137 × 4 that is equal 4548
+ 1137 × 40 what gives us 45480
+ 1137 × 600 what gives us 682200
+ 1137 × 2000 what gives us 2274000

= 3006228
