What is (7/8) the difference between (2/3) and (1/6)?
(2/3)与(1/6)的差的(7/8)是多少？
<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">(2/3) - (1/6)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">(1/2) * (7/8)</gadget>
<output>7/16 = around 0.4375</output>

<result>7/16 = around 0.4375</result>