We're going to solve 3121 multiplied by 8415
3121 × 8415 = 8415 × (3121)
+ 8415 × 1 that is equal 8415
+ 8415 × 20 resulting in 168300
+ 8415 × 100 what gives us 841500
+ 8415 × 3000 that results in 25245000

= 26263215
