The fruit store brings in 2000kg of watermelon, sells it on the first day (1/4), and sells the rest (1/3) on the second day. At this time, another fruit store takes away 800kg. How many kilograms of watermelon are left in the fruit store? ?
水果商店运进2000kg西瓜，第一天卖出(1/4)，第二天卖出余下的(1/3)，这时，另一个水果店拉走800kg，水果店还剩下多少千克西瓜？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(3/4) * (2/3)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2_000 * (1/2)</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 - 800</gadget>
<output>200</output>

<result>200</result>