No problem, we've got 5420 and 3240 to multiply
5420 × 3240 = 3240 × (5420)
+ 3240 × 0 yielding 0
+ 3240 × 20 yielding 64800
+ 3240 × 400 which equals 1296000
+ 3240 × 5000 producing 16200000

= 17560800
