There are two piles of cement, the first pile weighs (5/8) tons, and the second pile weighs (1/4) tons, how many tons do the two piles of cement weigh together?
有两堆水泥，第一堆重(5/8)吨，比第二堆轻(1/4)吨，两堆水泥共重几吨？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

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

<gadget id="calculator">(5/8) + (1/4)</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">(5/8) + (7/8)</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>