Simple calculation: 72*((2/3)+(1/6)-(3/4))
简便计算：72*((2/3)+(1/6)-(3/4))
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

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

<gadget id="calculator">(1/6) - (3/4)</gadget>
<output>-7/12 = around -0.583333</output>

<gadget id="calculator">(2/3) + (-7/12)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">72 * (1/12)</gadget>
<output>6</output>

<result>6</result>