No problem, we've got 4538 and 9940 to multiply
4538 × 9940 = 9940 × (4538)
+ 9940 × 8 resulting in 79520
+ 9940 × 30 which equals 298200
+ 9940 × 500 what gives us 4970000
+ 9940 × 4000 resulting in 39760000

= 45107720
