Pharaoh bought a washing machine for 1260 yuan, 240 yuan cheaper than before the promotion. How many percent cheaper?
老王花1260元买了一台洗衣机，比促销前便宜了240元．便宜百分之几？
<gadget id="calculator">1_260 + 240</gadget>
<output>1_500</output>

<gadget id="calculator">240 / 1_500</gadget>
<output>4/25 = around 0.16</output>

<result>4/25 = around 0.16</result>