The fruit store bought 300kg of apples, sold them on the first day (1/10), and sold more apples on the second day than on the first day (1/10). How many kilograms of apples did the fruit store sell in total in two days?
水果店购进300kg苹果，第一天售出(1/10)，第二天比第一天多售出(1/10)，水果店两天一共售出多少千克苹果？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">(1/10) * (11/10)</gadget>
<output>11/100 = around 0.11</output>

<gadget id="calculator">(1/10) + (11/100)</gadget>
<output>21/100 = around 0.21</output>

<gadget id="calculator">300 * (21/100)</gadget>
<output>63</output>

<result>63</result>