The original price is 180 yuan, and the current price is lower than the original price (1/5). How much is the current price lower than the original price?
原价180元，现价比原来降低了(1/5)，现在比原来降低了多少元？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">180 * (1/5)</gadget>
<output>36</output>

<result>36</result>