triangular peach garden with a bottom of 54 meters and a height of 46 meters. If each peach tree covers an area of 9 square meters on average, how many peach trees are there in this peach garden?
一个三角形桃园，底54米，高46米．如果平均每棵桃树占地9平方米，这个桃园一共有多少棵桃树？
<gadget id="calculator">46 / 2</gadget>
<output>23</output>

<gadget id="calculator">54 * 23</gadget>
<output>1_242</output>

<gadget id="calculator">1_242 / 9</gadget>
<output>138</output>

<result>138</result>