3.92*0.3+1.44/1.2．
3.92*0.3+1.44/1.2．
<gadget id="calculator">3.92 * 0.3</gadget>
<output>1.176</output>

<gadget id="calculator">1.44 / 1.2</gadget>
<output>1.2</output>

<gadget id="calculator">1.176 + 1.2</gadget>
<output>2.376</output>

<result>2.376</result>