No problem, we've got 2129 and 4480 to multiply
2129 × 4480 = 4480 × (2129)
+ 4480 × 9 resulting in 40320
+ 4480 × 20 that equals 89600
+ 4480 × 100 giving us 448000
+ 4480 × 2000 what gives us 8960000

= 9537920
