No problem, we've got 3877 and 3405 to multiply
3877 × 3405 = 3405 × (3877)
+ 3405 × 7 producing 23835
+ 3405 × 70 that results in 238350
+ 3405 × 800 that equals 2724000
+ 3405 × 3000 that equals 10215000

= 13201185
