No problem, we've got 9926 and 5140 to multiply
9926 × 5140 = 5140 × (9926)
+ 5140 × 6 that is equal 30840
+ 5140 × 20 that equals 102800
+ 5140 × 900 that is equal 4626000
+ 5140 × 9000 that is equal 46260000

= 51019640
