A washing machine costs 1,000 yuan, first increase the price (1/5), then reduce the price (1/5), how much is it now?
一台洗衣机1000元，先提价(1/5)，再降价(1/5)，现在多少元？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

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

<gadget id="calculator">1_000 * (6/5) * (4/5)</gadget>
<output>960</output>

<result>960</result>