No problem, we've got 4980 and 1575 to multiply
4980 × 1575 = 1575 × (4980)
+ 1575 × 0 yielding 0
+ 1575 × 80 what gives us 126000
+ 1575 × 900 that is equal 1417500
+ 1575 × 4000 yielding 6300000

= 7843500
