No problem, we've got 4473 and 1680 to multiply
4473 × 1680 = 1680 × (4473)
+ 1680 × 3 giving us 5040
+ 1680 × 70 that results in 117600
+ 1680 × 400 resulting in 672000
+ 1680 × 4000 that is equal 6720000

= 7514640
