The store bought a batch of fruit, sold 25% of it on the first day, and sold 150 kilograms on the second day, which was 20% more than the first day. How many kilograms of this batch of fruit are there?
商店进了一批水果，第一天卖出25%，第二天卖出150千克，比第一天多卖出20%，这批水果有多少千克？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(1/4) * (6/5)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">150 / (3/10)</gadget>
<output>500</output>

<result>500</result>