The fruit store bought 500 new apples, sold all (1/5) of them on the first day, and sold all (2/5) of them on the second day, how many apples were sold in total in the two days?
水果店新进了500个苹果，第一天卖出了全部的(1/5)，第二天卖出了全部的(2/5)，那么两天一共卖出了多少个苹果．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">500 * (1/5)</gadget>
<output>100</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">500 * (2/5)</gadget>
<output>200</output>

<gadget id="calculator">100 + 200</gadget>
<output>300</output>

<result>300</result>