No problem, we've got 4080 and 9860 to multiply
4080 × 9860 = 9860 × (4080)
+ 9860 × 0 that equals 0
+ 9860 × 80 which equals 788800
+ 9860 × 000 producing 0
+ 9860 × 4000 yielding 39440000

= 40228800
