((1/2)-0.5)/37+24*((7/8)-(1/3)).
((1/2)-0.5)/37+24*((7/8)-(1/3))．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) - 0.5</gadget>
<output>0</output>

<gadget id="calculator">0 / 37</gadget>
<output>0</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(7/8) - (1/3)</gadget>
<output>13/24 = around 0.541667</output>

<gadget id="calculator">24 * (13/24)</gadget>
<output>13</output>

<gadget id="calculator">0 + 13</gadget>
<output>13</output>

<result>13</result>