Plant poplars on both sides of an 80-meter-long path, one every 16 meters, and both ends. How many poplar trees can be planted in total?
在一条长80米的小路两旁种杨树，每隔16米种一棵，两端都种．一共可以种多少棵杨树？
<gadget id="calculator">80 / 16</gadget>
<output>5</output>

<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<result>12</result>