210 eggs are put into 3 plastic buckets on average, which is just full, so how many eggs can be filled with 7 plastic buckets?
210个鸡蛋平均装入3个塑料桶，正好装满，那么装满这样7个塑料桶，能装多少个鸡蛋？
<gadget id="calculator">210 / 3</gadget>
<output>70</output>

<gadget id="calculator">70 * 7</gadget>
<output>490</output>

<result>490</result>