Xiaohong bought 2 boxes of mung bean cakes, weighing 1 kg in total. There are 20 pieces in each box, what is the average weight of each piece in grams?
小红买了2盒绿豆糕，一共重1千克．每盒装有20块，平均每块重多少克．
<gadget id="calculator">1_000 / 2 / 20</gadget>
<output>25</output>

<result>25</result>