Li Jun's family has 68 chickens, which is exactly twice the number of sheep. How many chickens and sheep does Li Jun have?
李军家有68只鸡，正好是羊的数量的2倍．李军的鸡和羊共有多少只．
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">68 * 3</gadget>
<output>204</output>

<result>204</result>