No problem, we've got 4905 and 9809 to multiply
4905 × 9809 = 9809 × (4905)
+ 9809 × 5 that results in 49045
+ 9809 × 00 what gives us 0
+ 9809 × 900 what gives us 8828100
+ 9809 × 4000 what gives us 39236000

= 48113145
