Calculation: 201*12.2-24.4.
计算：201*12.2-24.4．
<gadget id="calculator">201 * 12.2</gadget>
<output>2_452.2</output>

<gadget id="calculator">2_452.2 - 24.4</gadget>
<output>2_427.8</output>

<result>2_427.8</result>