No problem, we've got 5893 and 720 to multiply
5893 × 720 = 720 × (5893)
+ 720 × 3 giving us 2160
+ 720 × 90 what gives us 64800
+ 720 × 800 resulting in 576000
+ 720 × 5000 that results in 3600000

= 4242960
