Plant fruit trees in a trapezoidal field with an upper base of 48 meters, a lower base of 62 meters, and a height of 18 meters. One tree is planted every 5 square meters. How many fruit trees are planted in this land?
在一块上底是48米，下底是62米，高是18米的梯形地里种果树，每5平方米种一棵，这块地里一共种果树多少棵？
<gadget id="calculator">48 + 62</gadget>
<output>110</output>

<gadget id="calculator">18 / 2 / 5</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">110 * (9/5)</gadget>
<output>198</output>

<result>198</result>