The original price of a suit is 180 yuan, but the current price is 1/5 lower than the original price. How much is the current price cheaper than the original price?
一件西服原价180元，现在的价格比原来降低了(1/5)，现价比原价便宜多少元？
<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>