The incubation period of a duck is 28 days, and the incubation period of a duck is that of a goose (14/15). How many days is the incubation period of a goose?
鸭的孵化期是28天，鸭的孵化期是鹅的(14/15)，鹅的孵化期是多少天？
<gadget id="calculator">14 / 15</gadget>
<output>14/15 = around 0.933333</output>

<gadget id="calculator">28 / (14/15)</gadget>
<output>30</output>

<result>30</result>