The incubation period of ostrich is equivalent to (3/4) of the incubation period of quail. The incubation period of ostrich is about 45 days. How many days is the incubation period of quail?
鸵鸟孵化期的相当于鹌鹑孵化期的(3/4)，鸵鸟孵化期大约是45天，鹌鹑孵化期大约是多少天？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">45 / (3/4)</gadget>
<output>60</output>

<result>60</result>