Xiaohong and Xiaohua each watered 4 rows of trees, and they watered 192 trees in total. How many trees are there on average in each row?
小红与小花每人浇了4行树，两人一共浇了192棵树，平均每行有多少棵树？
<gadget id="calculator">192 / 4</gadget>
<output>48</output>

<result>48</result>