A trapezoidal flower bed has an upper base of 3.4m, a lower base of 5.6m, and a height of 5m. If each flower occupies an area of 0.09m**2, how many flowers can be planted in this flower bed?
一个梯形花坛，上底3.4m，下底5.6m，高是5m．如果每棵花占地0.09m**2，这个花坛可以种多少棵花？
<gadget id="calculator">3.4 + 5.6</gadget>
<output>9</output>

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">9 * (5/2)</gadget>
<output>45/2 = around 22.5</output>

<gadget id="calculator">(45/2) / 0.09</gadget>
<output>250</output>

<result>250</result>