No problem, we've got 1387 and 5749 to multiply
1387 × 5749 = 5749 × (1387)
+ 5749 × 7 that results in 40243
+ 5749 × 80 producing 459920
+ 5749 × 300 that is equal 1724700
+ 5749 × 1000 producing 5749000

= 7973863
