The original cost of a commodity is 240 yuan, and now the cost per piece is reduced (1/5) compared to the original, how much is the cost per piece now?
一件商品，原来的成本是240元，现在每件成本比原来降低了(1/5)，现在每件成本是多少元？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">240 * (4/5)</gadget>
<output>192</output>

<result>192</result>