A little math problem The price of a commodity after 60% discount is 30. How much is the original price?

A little math problem The price of a commodity after 60% discount is 30. How much is the original price?

60% off is 60%, that is, three fifths. Then, 30 is equal to the original price
30 / 60% = 50 yuan
A: the original price of this product is 50 yuan