Hummingbird is the smallest bird in the world. A hummingbird weighs about 2 grams, and a sparrow weighs about 51 times that of a hummingbird. How many grams does a sparrow weigh?
蜂鸟是世界上最小的鸟，一只蜂鸟的体重约2克，一只麻雀的体重大约是蜂鸟的51倍，一只麻雀重多少克？
<gadget id="calculator">2 * 51</gadget>
<output>102</output>

<result>102</result>