The original price of a fan is 120 yuan, and now it is reduced by 10%. How much is the current price?
一种风扇原价120元，现在降低10%，现价多少元？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">120 * (9/10)</gadget>
<output>108</output>

<result>108</result>