Huanhuan said to Lele: "I am 8 years older than you. Two years later, my age will be three times your age." How old is Huanhuan now?
欢欢对乐乐说："我比你大8岁，2年后，我的年龄是你的年龄的3倍．"欢欢现在多少岁．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">2 - 6</gadget>
<output>-4</output>

<gadget id="calculator">8 + (-4)</gadget>
<output>4</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 + 8</gadget>
<output>10</output>

<result>10</result>