Alright, let's work through 7579 times 9840 step by step
7579 × 9840 = 9840 × (7579)
+ 9840 × 9 what gives us 88560
+ 9840 × 70 which equals 688800
+ 9840 × 500 that equals 4920000
+ 9840 × 7000 resulting in 68880000

= 74577360
