The store shipped in a batch of apples, shipped them out in the morning (3/8), and sold them in the afternoon (4/8), what fraction of the apples were sold in total on this day?
商店运进一批苹果，上午每出了(3/8)，下午卖出了(4/8)，这天一共卖了几分之几？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/8) + (1/2)</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>