No problem, we've got 7424 and 2100 to multiply
7424 × 2100 = 2100 × (7424)
+ 2100 × 4 producing 8400
+ 2100 × 20 which equals 42000
+ 2100 × 400 yielding 840000
+ 2100 × 7000 what gives us 14700000

= 15590400
