Simple calculation: (6/7)*((1/(((5/6)-(1/2)))))=
简算：(6/7)*((1/(((5/6)-(1/2)))))=
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

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

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

<gadget id="calculator">(5/6) - (1/2)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / (1/3)</gadget>
<output>3</output>

<gadget id="calculator">(6/7) * 3</gadget>
<output>18/7 = around 2.571429</output>

<result>18/7 = around 2.571429</result>