The current price of a piece of clothing is 120 yuan, which is 1/4 lower than the original price. How much did it cost to buy this piece of clothing? (solution by equation)
一件衣服现价120元，比原来降价了(1/4)，原来买这件衣服要多少元？(用方程解)
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">120 / (3/4)</gadget>
<output>160</output>

<result>160</result>