There are two wheat fields. The first one is 2 hectares, and the average yield of wheat per hectare is 16.5 tons. The second one is 3.5 hectares, and the total yield of wheat is 23.1 tons.
有两块麦地第一块2公顷，平均每公顷收小麦16.5吨，第二块3.5化顷，共收小麦23.1吨，两块地平均每公顷收小麦多少吨？
<gadget id="calculator">16.5 * 2</gadget>
<output>33</output>

<gadget id="calculator">33 + 23.1</gadget>
<output>56.1</output>

<gadget id="calculator">2 + 3.5</gadget>
<output>5.5</output>

<gadget id="calculator">56.1 / 5.5</gadget>
<output>10.2</output>

<result>10.2</result>