There are three children planting trees on both sides of the road, each planting 6 trees. How many trees are planted on each side of the road on average?
有三个小朋友在马路的两边种树，每人种6棵．这条路平均每边种了多少棵树？
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">6 * (3/2)</gadget>
<output>9</output>

<result>9</result>