No problem, we've got 2136 and 3340 to multiply
2136 × 3340 = 3340 × (2136)
+ 3340 × 6 producing 20040
+ 3340 × 30 that is equal 100200
+ 3340 × 100 producing 334000
+ 3340 × 2000 producing 6680000

= 7134240
