No problem, we've got 3546 and 6680 to multiply
3546 × 6680 = 6680 × (3546)
+ 6680 × 6 producing 40080
+ 6680 × 40 that is equal 267200
+ 6680 × 500 giving us 3340000
+ 6680 × 3000 what gives us 20040000

= 23687280
