Alright, let's work through 9877 times 7153 step by step
9877 × 7153 = 7153 × (9877)
+ 7153 × 7 what gives us 50071
+ 7153 × 70 that is equal 500710
+ 7153 × 800 producing 5722400
+ 7153 × 9000 that is equal 64377000

= 70650181
