The ostrich is the largest bird in the world, with a height of up to (5/2) meters, and the height of a penguin is about (6/25) that of an ostrich. How tall is a penguin?
鸵鸟是世界上最大的鸟，身高可达(5/2)米，企鹅的身高约是鸵鸟的(6/25)．企鹅的身高约是多少？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">6 / 25</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">(5/2) * (6/25)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>