We're going to solve 1591 multiplied by 2137
1591 × 2137 = 2137 × (1591)
+ 2137 × 1 that results in 2137
+ 2137 × 90 which equals 192330
+ 2137 × 500 giving us 1068500
+ 2137 × 1000 yielding 2137000

= 3399967
