((4.52+5.18)*0.5-0.02)/0.3+((1/4)+(3/4)).
((4.52+5.18)*0.5-0.02)/0.3+((1/4)+(3/4))．
<gadget id="calculator">4.52 + 5.18</gadget>
<output>9.7</output>

<gadget id="calculator">9.7 * 0.5</gadget>
<output>4.85</output>

<gadget id="calculator">4.85 - 0.02</gadget>
<output>4.83</output>

<gadget id="calculator">4.83 / 0.3</gadget>
<output>16.1</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/4) + (3/4)</gadget>
<output>1</output>

<gadget id="calculator">16.1 + 1</gadget>
<output>17.1</output>

<result>17.1</result>