No problem, we've got 3677 and 5681 to multiply
3677 × 5681 = 5681 × (3677)
+ 5681 × 7 that results in 39767
+ 5681 × 70 giving us 397670
+ 5681 × 600 that equals 3408600
+ 5681 × 3000 yielding 17043000

= 20889037
