Calculate with a simple method: 24.6*4.6+246*0.44+24.6.
用简便方法计算：24.6*4.6+246*0.44+24.6．
<gadget id="calculator">24.6 * 4.6</gadget>
<output>113.16</output>

<gadget id="calculator">246 * 0.44</gadget>
<output>108.24</output>

<gadget id="calculator">113.16 + 108.24 + 24.6</gadget>
<output>246</output>

<result>246</result>