Huanhuan ran 3 laps along a rectangular flower bed with a difference of 10 meters in length and width, and ran a total of 480 meters. What is the area of the flower bed in square meters?
欢欢沿长和宽相差10米的长方形花坛跑了3圏，共跑了480米，问这个花坛的面积是多少平方米．
<gadget id="calculator">480 / 3 / 2</gadget>
<output>80</output>

<gadget id="calculator">80 - 10</gadget>
<output>70</output>

<gadget id="calculator">70 / 2</gadget>
<output>35</output>

<gadget id="calculator">35 + 10</gadget>
<output>45</output>

<gadget id="calculator">45 * 35</gadget>
<output>1_575</output>

<result>1_575</result>