No problem, we've got 1377 and 6188 to multiply
1377 × 6188 = 6188 × (1377)
+ 6188 × 7 that results in 43316
+ 6188 × 70 that equals 433160
+ 6188 × 300 what gives us 1856400
+ 6188 × 1000 producing 6188000

= 8520876
