No problem, we've got 4342 and 1577 to multiply
4342 × 1577 = 1577 × (4342)
+ 1577 × 2 that results in 3154
+ 1577 × 40 giving us 63080
+ 1577 × 300 that is equal 473100
+ 1577 × 4000 what gives us 6308000

= 6847334
