3.65*4.36+6.64*3.65-3.65．
3.65*4.36+6.64*3.65-3.65．
<gadget id="calculator">3.65 * 4.36</gadget>
<output>15.914</output>

<gadget id="calculator">6.64 * 3.65</gadget>
<output>24.236</output>

<gadget id="calculator">24.236 - 3.65</gadget>
<output>20.586</output>

<gadget id="calculator">15.914 + 20.586</gadget>
<output>36.5</output>

<result>36.5</result>