9.81*0.1+0.5*98.1+0.049*981.
9.81*0.1+0.5*98.1+0.049*981．
<gadget id="calculator">9.81 * 0.1</gadget>
<output>0.981</output>

<gadget id="calculator">0.5 * 98.1</gadget>
<output>49.05</output>

<gadget id="calculator">0.049 * 981</gadget>
<output>48.069</output>

<gadget id="calculator">0.981 + 49.05 + 48.069</gadget>
<output>98.1</output>

<result>98.1</result>