No problem, we've got 5803 and 4780 to multiply
5803 × 4780 = 4780 × (5803)
+ 4780 × 3 what gives us 14340
+ 4780 × 00 that results in 0
+ 4780 × 800 resulting in 3824000
+ 4780 × 5000 that is equal 23900000

= 27738340
