The heaviest bird in the world is the ostrich, with an average weight of 90 kg, and the lightest bird is the hummingbird, with an average weight of 0.0016 kg. The average weight of an ostrich is how many times that of a hummingbird.
世界上最重的鸟是驼鸟，平均体重90千克，最轻的鸟是蜂鸟，平均体重0.0016千克．驼鸟的平均体重是蜂鸟的多少倍．
<gadget id="calculator">90 / 0.0016</gadget>
<output>56_250</output>

<result>56_250</result>