Calculating Sale Price After Discount

A store is having a sale on its electronic products. The sale offers a 20% discount off the regular price of all items. If the regular price of a laptop is $800, and you want to buy it after the discount, how much will you pay for the laptop?

To find the sale price, you need to calculate the amount of the discount and then subtract that from the regular price. What will be the final cost of the laptop after applying the discount?