A piece of clothing is 360 yuan after a 10% discount. How much is the current price cheaper than the original price? How many
一件衣服打九折后是360元，现价比原价便宜多少元？多少
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">360 / (9/10)</gadget>
<output>400</output>

<gadget id="calculator">400 - 360</gadget>
<output>40</output>

<result>40</result>