Calculation: 36*((5/6)-(7/9))*40%.
计算：36*((5/6)-(7/9))*40%．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">(5/6) - (7/9)</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">36 * (1/18) * (2/5)</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>