(1-0.75)*(3.9+2.25/2.5)
(1-0.75)*(3.9+2.25/2.5)
<gadget id="calculator">1 - 0.75</gadget>
<output>0.25</output>

<gadget id="calculator">2.25 / 2.5</gadget>
<output>0.9</output>

<gadget id="calculator">3.9 + 0.9</gadget>
<output>4.8</output>

<gadget id="calculator">0.25 * 4.8</gadget>
<output>1.2</output>

<result>1.2</result>