No problem, we've got 6387 and 4923 to multiply
6387 × 4923 = 4923 × (6387)
+ 4923 × 7 that results in 34461
+ 4923 × 80 what gives us 393840
+ 4923 × 300 yielding 1476900
+ 4923 × 6000 resulting in 29538000

= 31443201
