A 60-meter-long rectangular nursery is surrounded by a 160-meter-long fence. What is the area of the nursery in square meters?
用160米长的篱笆围了一个长60米的长方形苗圃，求苗圃的占地面积是多少平方米？
<gadget id="calculator">160 / 2</gadget>
<output>80</output>

<gadget id="calculator">80 - 60</gadget>
<output>20</output>

<gadget id="calculator">60 * 20</gadget>
<output>1_200</output>

<result>1_200</result>