There are 37 apple trees in the landscaping. Aunt Zhang sprays the apple trees every 30 days. It takes 5 minutes to spray one apple tree. How many minutes does she spend each time?
园林绿化所有37棵苹果树，张阿姨每30天给苹果树喷药水，喷一棵苹果树要花5分钟，她每次要花多少分钟？
<gadget id="calculator">5 * 37</gadget>
<output>185</output>

<result>185</result>