Uncle Zhang received a batch of watermelons, sold (3/8) of the total on the first day, and sold (1/4) of the total on the second day, what fraction of the total was sold in the two days?
张大伯收了一批西瓜，第一天卖出了总数的(3/8)，第二天卖出了总数的(1/4)，两天一共卖出总数的几分之几？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/8) + (1/4)</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>