A warehouse has a total of (3/4) tons of grain, (1/3) is transported away on the first day, and (1/2) is transported away on the second day, how much is left.
一个仓库共有粮食(3/4)吨，第一天运走(1/3)，第二天运走(1/2)，还剩多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/3) - (1/2)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(3/4) * (1/6)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>