sparrow weighs 150 grams, which is 1 gram more than 50 times the weight of a hummingbird. How many grams does a hummingbird weigh?
麻雀重150克，比蜂鸟体重的50倍还多1克，蜂鸟重多少克？
<gadget id="calculator">150 - 1</gadget>
<output>149</output>

<gadget id="calculator">149 / 50</gadget>
<output>149/50 = around 2.98</output>

<result>149/50 = around 2.98</result>