There is a batch of fruits in the supermarket, and (1/4) tons were sold on the first day, and (1/20) tons were sold more than on the second day. How many tons of fruits were sold in total in the two days?
超市里有一批水果，第一天卖了(1/4)吨，比第二天多卖了(1/20)吨，两天一共卖了多少吨水果？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(1/4) - (1/20)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) + (1/4)</gadget>
<output>9/20 = around 0.45</output>

<result>9/20 = around 0.45</result>