No problem, we've got 5821 and 9963 to multiply
5821 × 9963 = 9963 × (5821)
+ 9963 × 1 that results in 9963
+ 9963 × 20 giving us 199260
+ 9963 × 800 that results in 7970400
+ 9963 × 5000 what gives us 49815000

= 57994623
