A TV set originally cost 1,200 yuan, but now it only sells for 960 yuan. How much did the price drop
一种电视机原价1200元，现在每台只卖960元．降价了多少
<gadget id="calculator">1_200 - 960</gadget>
<output>240</output>

<gadget id="calculator">240 / 1_200</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>