No problem, we've got 1400 and 4724 to multiply
1400 × 4724 = 4724 × (1400)
+ 4724 × 0 that equals 0
+ 4724 × 00 yielding 0
+ 4724 × 400 that is equal 1889600
+ 4724 × 1000 which equals 4724000

= 6613600
