A batch of fruit sold 40% in the morning and 45% in the afternoon, and sold 10 kilograms more in the afternoon than in the morning. How many kilograms of this batch of fruit are there?
一批水果，上午卖了40%，下午卖了45%，下午比上午多卖了10千克，这批水果有多少千克．
<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(9/20) - (2/5)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">10 / (1/20)</gadget>
<output>200</output>

<result>200</result>