The current price of a piece of clothing is 120 yuan, which is (1/3) lower than the original price. How much is it cheaper?
一件衣服现在的售价是120元，比原价降低(1/3)．便宜了多少元？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">120 / (2/3)</gadget>
<output>180</output>

<gadget id="calculator">180 - 120</gadget>
<output>60</output>

<result>60</result>