The price of a commodity has been raised twice, each time by 20%. The current price of the commodity is 36 yuan. What is the original price?
某商品先后两次涨价，每次上涨20%，该商品现价36元，原价为多少．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) * (6/5)</gadget>
<output>36/25 = around 1.44</output>

<gadget id="calculator">36 / (36/25)</gadget>
<output>25</output>

<result>25</result>