102*20.03-1.25*20.03*0.8．
102*20.03-1.25*20.03*0.8．
<gadget id="calculator">102 * 20.03</gadget>
<output>2_043.06</output>

<gadget id="calculator">1.25 * 20.03 * 0.8</gadget>
<output>20.03</output>

<gadget id="calculator">2_043.06 - 20.03</gadget>
<output>2_023.03</output>

<result>2_023.03</result>