9x-4x+24=36.
9x-4x+24=36．
<gadget id="calculator">36 - 24</gadget>
<output>12</output>

<gadget id="calculator">9 - 4</gadget>
<output>5</output>

<gadget id="calculator">12 / 5</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>