The Hongfa fruit shop has 1,000 kilograms of fruit. After 50% of the fruit is sold, the remaining 50% is shipped in. How many kilograms of fruit does the fruit shop have at this time?
宏发水果店有1000千克水果，卖出50%以后，又运来的占剩下的50%，这时水果店有水果多少千克
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1_000 * (1/2)</gadget>
<output>500</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">500 * (3/2)</gadget>
<output>750</output>

<result>750</result>