Li Zhuang planted trees on a triangular sloping land with a base of 250 meters and a height of 60 meters. The distance between plants is 4 meters and the distance between rows is 5 meters. How many trees will be planted in total?
李庄在一块底是250米、高是60米的三角形坡地上栽树，株距是4米，行距是5米，一共要栽多少棵树？
<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">60 / 2 / 20</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">250 * (3/2)</gadget>
<output>375</output>

<result>375</result>