The average length of Fangfang's step is 52 cm. She walks twice around a square nursery, which is exactly 1500 steps. What is the side length of this square nursery in centimeters?
芳芳一步的平均长度是52厘米，她沿着一个正方形的苗圃走了两圈，正好是1500步，这个正方形苗圃的边长是多少厘米？
<gadget id="calculator">1_500 / 2</gadget>
<output>750</output>

<gadget id="calculator">52 / 4</gadget>
<output>13</output>

<gadget id="calculator">750 * 13</gadget>
<output>9_750</output>

<result>9_750</result>