We're going to solve 1291 multiplied by 3237
1291 × 3237 = 3237 × (1291)
+ 3237 × 1 that results in 3237
+ 3237 × 90 yielding 291330
+ 3237 × 200 that equals 647400
+ 3237 × 1000 that equals 3237000

= 4178967
