The current price of a commodity is 120 yuan, which is sold at a 20% discount. What is the original price?
一种商品现价120元，是打八折出售的，原价是多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">120 / (4/5)</gadget>
<output>150</output>

<result>150</result>