(19.08+(3.2-0.299/0.23))*0.25.
(19.08+(3.2-0.299/0.23))*0.25．
<gadget id="calculator">0.299 / 0.23</gadget>
<output>1.3</output>

<gadget id="calculator">3.2 - 1.3</gadget>
<output>1.9</output>

<gadget id="calculator">19.08 + 1.9</gadget>
<output>20.98</output>

<gadget id="calculator">20.98 * 0.25</gadget>
<output>5.245</output>

<result>5.245</result>