We're going to solve 1139 multiplied by 1811
1139 × 1811 = 1811 × (1139)
+ 1811 × 9 giving us 16299
+ 1811 × 30 what gives us 54330
+ 1811 × 100 which equals 181100
+ 1811 × 1000 resulting in 1811000

= 2062729
