There is a rectangular vegetable field, if its length is increased by 6 meters or its width is increased by 8 meters, the area will increase by 480 square meters. How big is this vegetable field?
有一块长方形菜地，把它的长增加6米，或者把它的宽增加8米，面积都会增加480平方米，原来这块菜地面积有多大？
<gadget id="calculator">480 / 6</gadget>
<output>80</output>

<gadget id="calculator">480 / 8</gadget>
<output>60</output>

<gadget id="calculator">80 * 60</gadget>
<output>4_800</output>

<result>4_800</result>