((35.16*0.25+38.42/2)*0.2-1.63-2.36)/0.25.
((35.16*0.25+38.42/2)*0.2-1.63-2.36)/0.25．
<gadget id="calculator">35.16 * 0.25</gadget>
<output>8.79</output>

<gadget id="calculator">38.42 / 2</gadget>
<output>19.21</output>

<gadget id="calculator">8.79 + 19.21</gadget>
<output>28</output>

<gadget id="calculator">28 * 0.2</gadget>
<output>5.6</output>

<gadget id="calculator">5.6 - 1.63 - 2.36</gadget>
<output>1.61</output>

<gadget id="calculator">1.61 / 0.25</gadget>
<output>6.44</output>

<result>6.44</result>