We're going to solve 1238 multiplied by 1520
1238 × 1520 = 1520 × (1238)
+ 1520 × 8 what gives us 12160
+ 1520 × 30 that results in 45600
+ 1520 × 200 giving us 304000
+ 1520 × 1000 which equals 1520000

= 1881760
