Calculate with a simple method: 88.88*33.33+33.33*66.67+66.67*55.55.
用简便方法计算：88.88*33.33+33.33*66.67+66.67*55.55．
<gadget id="calculator">88.88 * 33.33</gadget>
<output>2_962.3704</output>

<gadget id="calculator">33.33 * 66.67</gadget>
<output>2_222.1111</output>

<gadget id="calculator">66.67 * 55.55</gadget>
<output>3_703.5185</output>

<gadget id="calculator">2_962.3704 + 2_222.1111 + 3_703.5185</gadget>
<output>8_888</output>

<result>8_888</result>