38.8*61.6+38.8*37.4+3.88*10.
38.8*61.6+38.8*37.4+3.88*10．
<gadget id="calculator">38.8 * 61.6</gadget>
<output>2_390.08</output>

<gadget id="calculator">38.8 * 37.4</gadget>
<output>1_451.12</output>

<gadget id="calculator">3.88 * 10</gadget>
<output>38.8</output>

<gadget id="calculator">2_390.08 + 1_451.12 + 38.8</gadget>
<output>3_880</output>

<result>3_880</result>