No problem, we've got 9919 and 4855 to multiply
9919 × 4855 = 4855 × (9919)
+ 4855 × 9 what gives us 43695
+ 4855 × 10 yielding 48550
+ 4855 × 900 which equals 4369500
+ 4855 × 9000 which equals 43695000

= 48156745
