batch of fruit arrives from the fruit store. 30% of the total was sold in the morning, and 50% of the total was sold in the afternoon, and a total of 240 kilograms were sold throughout the day. How many kilograms is this batch of fruit in total?
水果商店运来一批水果．上午卖出总数的30%，下午卖出总数的50%，全天共卖出240千克．这批水果共有多少千克？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/10) + (1/2)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">240 / (4/5)</gadget>
<output>300</output>

<result>300</result>