The 30% discount price for a suit is 84 yuan, how much is the original price?
一套西服七折售价是84元，原价是多少钱？
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">84 / (7/10)</gadget>
<output>120</output>

<result>120</result>