Alright, let's work through 7153 times 9720 step by step
7153 × 9720 = 9720 × (7153)
+ 9720 × 3 what gives us 29160
+ 9720 × 50 which equals 486000
+ 9720 × 100 that equals 972000
+ 9720 × 7000 giving us 68040000

= 69527160
