Simple calculation: 99*22+33*34.
简便计算：99*22+33*34．
<gadget id="calculator">99 * 22</gadget>
<output>2_178</output>

<gadget id="calculator">33 * 34</gadget>
<output>1_122</output>

<gadget id="calculator">2_178 + 1_122</gadget>
<output>3_300</output>

<result>3_300</result>