A sparrow weighs 77 grams, which is 3 grams less than 50 times the weight of a hummingbird. How much does a hummingbird weigh? (column equation solution)
一只麻雀的体重是77克，比一只蜂鸟体重的50倍少3克，一只蜂鸟有多重？(列方程解答)
<gadget id="calculator">77 + 3</gadget>
<output>80</output>

<gadget id="calculator">80 / 50</gadget>
<output>8/5 = around 1.6</output>

<result>8/5 = around 1.6</result>