A suit is 120 yuan, which is 40% lower than the original price. How much is the original price?
一套西服120元，比原价降低了40%，原价多少元．
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">120 / (3/5)</gadget>
<output>200</output>

<result>200</result>