Plant trees around a rectangular pond, plant 38 poplars, and place two garbage bins equidistantly between each two poplars. How many trash cans are there in total?
在长方形池塘的周围植树，栽了38棵杨树，每两棵杨树中间等距离的放两个垃圾桶，共放多少个．
<gadget id="calculator">38 * 2</gadget>
<output>76</output>

<result>76</result>