There are 34 students in the first class, 2.5 per person on average; 36 students in the second class, 3.5 per person on average. How many little red flowers are discounted in the first class than in the second class?
五年级两个班的学生折小红花，一班34人，平均每人折2.5个；二班36人，平均每人折3.5个．一班比二班少折多少个小红花？
<gadget id="calculator">3.5 * 36</gadget>
<output>126</output>

<gadget id="calculator">2.5 * 34</gadget>
<output>85</output>

<gadget id="calculator">126 - 85</gadget>
<output>41</output>

<result>41</result>