8. Determine how much lesser/ greater

A college consist of 4804 students. Each student has to contribute $₹$45 for annual day ceremony. A teacher tried to find the total amount to be collected. Instead of $₹$45, she multiplied by $₹$54. By how much was her answer greater than the correct answer? 43236259416216180.

 

[Note: Think there is any other possible way instead of finding the product for both case and subtracting it]