What is the number (1/6) less than (5/6) of (4/5)
比(4/5)的(5/6)少(1/6)的数是多少
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(4/5) * (5/6)</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>

<result>1/2 = around 0.5</result>