Two rows of poplar trees were planted on both sides of the road, with 43 poplars in each row. How many poplars were planted in total?
公路两旁栽了2排杨树，每排有43棵，一共栽了多少棵？
<gadget id="calculator">2 * 43</gadget>
<output>86</output>

<result>86</result>