Zhang Hua runs around a square square 3 times every morning, exactly 1200 meters. How many hectares does this square square have?
张华每天早上绕一个正方形广场跑3圈，正好跑了1200米，这个正方形广场的面积是多少公顷？
<gadget id="calculator">1_200 / 3 / 4</gadget>
<output>100</output>

<gadget id="calculator">100 * 100</gadget>
<output>10_000</output>

<gadget id="calculator">10_000 / 10_000</gadget>
<output>1</output>

<result>1</result>