The heaviest bird in the world is the ostrich, and the lightest bird is the hummingbird. The average weight of an ostrich is 90 kg, and the average weight of a hummingbird is 0.0016 kg. How many times is the average weight of an ostrich that of a hummingbird?
世界上最重的鸟是鸵鸟，最轻的鸟是蜂鸟．鸵鸟平均体重90千克，蜂鸟平均体重0.0016千克，鸵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>