No problem, we've got 5420 and 6636 to multiply
5420 × 6636 = 6636 × (5420)
+ 6636 × 0 what gives us 0
+ 6636 × 20 that equals 132720
+ 6636 × 400 yielding 2654400
+ 6636 × 5000 that is equal 33180000

= 35967120
