Alright, let's work through 7700 times 5587 step by step
7700 × 5587 = 5587 × (7700)
+ 5587 × 0 that is equal 0
+ 5587 × 00 resulting in 0
+ 5587 × 700 giving us 3910900
+ 5587 × 7000 what gives us 39109000

= 43019900
