Paramount Supermarket sold (5/8) tons of apples on the first day of opening, sold (3/4) tons of apples on the second day, and sold (5/13) tons on the third day , how many tons of apples were sold in three days?
派拉蒙超市开张第一天卖出(5/8)吨苹果，第二天卖出的苹果的吨数是第一天的(3/4)，第三天卖出(5/13)吨，三天共卖出多少吨苹果？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(5/8) * (3/4)</gadget>
<output>15/32 = around 0.46875</output>

<gadget id="calculator">5 / 13</gadget>
<output>5/13 = around 0.384615</output>

<gadget id="calculator">(5/8) + (15/32) + (5/13)</gadget>
<output>615/416 = around 1.478365</output>

<result>615/416 = around 1.478365</result>