The price of a commodity after a 40% discount is 72 yuan, what is the original price of this commodity.
一种商品打六折后的售价是72元，这种商品的原价是多少元．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">72 / (3/5)</gadget>
<output>120</output>

<result>120</result>