(9/10)/((1/2)*((6/5)-(3/10))).
(9/10)/((1/2)*((6/5)-(3/10)))．
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

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

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(6/5) - (3/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(1/2) * (9/10)</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">(9/10) / (9/20)</gadget>
<output>2</output>

<result>2</result>