A pile of coal weighs (5/6) tons, and (3/4) of it is used, how many tons are used?
一堆煤重(5/6)吨，用了它的(3/4)，用了多少吨？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

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

<gadget id="calculator">(5/6) * (3/4)</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>