There are 600 tickets for the children's theater, sold (1/4) in the morning and sold (3/8) in the afternoon, how many tickets were sold in the whole day?
儿童剧院有600张票，上午售出了(1/4)，下午售出了(3/8)，全天一共售出了了多少张？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

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

<gadget id="calculator">600 * (5/8)</gadget>
<output>375</output>

<result>375</result>