No problem, we've got 5492 and 3642 to multiply
5492 × 3642 = 3642 × (5492)
+ 3642 × 2 resulting in 7284
+ 3642 × 90 that is equal 327780
+ 3642 × 400 that is equal 1456800
+ 3642 × 5000 yielding 18210000

= 20001864
