One barnyard owl makes 5 hoot sounds per minute.  If 5 less than 20 hoots per minute are heard coming out of the barn, how many Barnyard owls would this noise be coming from?
5 less than 20 hoots per minute is 20-5=
<gadget id="calculator">20-5</gadget>
<output>15</output>
15 hoots per minute.
If one barnyard owl makes 5 hoot sounds per minute, then 15 hoots per minute are coming from 15/5=
<gadget id="calculator">15/5</gadget>
<output>3</output>
3 barnyard owls.

<result>3</result>