Times Supermarket "May Day" big bargain, all home appliances are sold at 20% off, the original price of 150 yuan rice cooker, how much is the current price.
时代超市"五一"大酬宾，全场家电按八折销售，原价150元的电饭锅，现在售价是多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">150 * (4/5)</gadget>
<output>120</output>

<result>120</result>