No problem, we've got 4821 and 6276 to multiply
4821 × 6276 = 6276 × (4821)
+ 6276 × 1 what gives us 6276
+ 6276 × 20 giving us 125520
+ 6276 × 800 yielding 5020800
+ 6276 × 4000 yielding 25104000

= 30256596
