A triangular piece of land has a base of 24 meters and a height of 16 meters. If one tree is planted per 4 square meters of land, how many trees can be planted?
一块三角形的土地的底是24米，高是16米．在这块土地上每4平方米栽1棵树，可以栽多少棵树？
<gadget id="calculator">16 / 2 / 4</gadget>
<output>2</output>

<gadget id="calculator">24 * 2</gadget>
<output>48</output>

<result>48</result>