No problem, we've got 6039 and 3021 to multiply
6039 × 3021 = 3021 × (6039)
+ 3021 × 9 producing 27189
+ 3021 × 30 what gives us 90630
+ 3021 × 000 that is equal 0
+ 3021 × 6000 that is equal 18126000

= 18243819
