A kind of shirt, the original price is 120 yuan per piece, and now it is sold at a 25% discount, how much is the current price of each piece.
一种衬衫，原价每件120元，现在按七五折出售，现在每件售价多少元．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">120 * (3/4)</gadget>
<output>90</output>

<result>90</result>