There are 14 poplar trees on the playground, and the number of pine trees is four times that of poplar trees. How many trees are there in total?
操场上有14棵杨树，松树的棵数是杨树的4倍，一共有多少棵树？
<gadget id="calculator">14 * 4</gadget>
<output>56</output>

<gadget id="calculator">56 + 14</gadget>
<output>70</output>

<result>70</result>