4.23*7.12+42.3*0.398-0.432*11.
4.23*7.12+42.3*0.398-0.432*11．
<gadget id="calculator">3.98 - 1.1</gadget>
<output>2.88</output>

<gadget id="calculator">7.12 + 2.88</gadget>
<output>10</output>

<gadget id="calculator">4.23 * 10</gadget>
<output>42.3</output>

<result>42.3</result>