The school brought a pile of sand. (5/8)t was used to build the road, and (5/6)t is left. How many tons more sand is left than the sand used?
学校运来一堆沙子．修路用去(5/8)t，还剩下(5/6)t，剩下的沙子比用去的沙子多多少吨？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(5/6) - (5/8)</gadget>
<output>5/24 = around 0.208333</output>

<result>5/24 = around 0.208333</result>