There are 400 hectares of forest in a forest park in a certain city, and 1 hectare of forest can hold 35 tons of dust a year. How many tons of dust can this forest park hold in a year?
某市森林公园有400公顷森林，1公顷森林一年可滞尘35吨，这个森林公园一年可滞尘多少吨？
<gadget id="calculator">35 * 400</gadget>
<output>14_000</output>

<result>14_000</result>