Simple calculation: 22*35+33*7+99.
简便计算：22*35+33*7+99．
<gadget id="calculator">22 * 35</gadget>
<output>770</output>

<gadget id="calculator">33 * 7</gadget>
<output>231</output>

<gadget id="calculator">770 + 231 + 99</gadget>
<output>1_100</output>

<result>1_100</result>