There are two cotton fields with an average yield of 92.5 kilograms per hectare. It is known that one field has 5 hectares with an average yield of 101.5 kilograms per arena, and the other field has an average yield of 85 kilograms per arena. How many hectares does this field have? mu?
有两块棉田，平均每公亩产量是92.5千克，已知一块地是5公亩，平均每公亩产量是101.5千克，另一块田平均每公亩产量是85千克，这块田有多少公亩？
<gadget id="calculator">101.5 * 5</gadget>
<output>507.5</output>

<gadget id="calculator">92.5 * 5</gadget>
<output>462.5</output>

<gadget id="calculator">507.5 - 462.5</gadget>
<output>45</output>

<gadget id="calculator">92.5 - 85</gadget>
<output>7.5</output>

<gadget id="calculator">45 / 7.5</gadget>
<output>6</output>

<result>6</result>