The toy factory produced 25,000 dolls in the first quarter, 33,000 in the second and third quarters, and 24,000 in the fourth quarter. How many tens of thousands of rag dolls are produced on average each quarter?
玩具厂第一季度生产布娃娃2.5万个，第二、三季度各生产3.3万个，第四季度生产2.4万个．平均每个季度生产多少万个布娃娃？
<gadget id="calculator">3.3 * 2</gadget>
<output>6.6</output>

<gadget id="calculator">2.5 + 6.6 + 2.45</gadget>
<output>11.55</output>

<gadget id="calculator">11.55 / 4</gadget>
<output>2.8875</output>

<result>2.8875</result>