The price of a water dispenser is reduced (1/10) to 216 yuan. What is the original price?
一台饮水机降价(1/10)后是216元，原价是多少元．
<gadget id="calculator">1 / 10</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">216 / (9/10)</gadget>
<output>240</output>

<result>240</result>