Let's calculate 9927 x 5815
9927 × 5815 = 5815 × (9927)
+ 5815 × 7 resulting in 40705
+ 5815 × 20 that results in 116300
+ 5815 × 900 which equals 5233500
+ 5815 × 9000 that equals 52335000

= 57725505
