Calculation: 45/((9/10)-(5/6)).
计算：45/((9/10)-(5/6))．
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

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

<gadget id="calculator">(9/10) - (5/6)</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">45 / (1/15)</gadget>
<output>675</output>

<result>675</result>