Alright, let's work through 9937 times 7827 step by step
9937 × 7827 = 7827 × (9937)
+ 7827 × 7 that is equal 54789
+ 7827 × 30 what gives us 234810
+ 7827 × 900 which equals 7044300
+ 7827 × 9000 what gives us 70443000

= 77776899
