There are 9 rows of jujube trees in the jujube garden, each row has 12 trees, and each jujube tree harvests 9 kg of dates. How many kilograms of jujubes are harvested in this jujube garden?
枣园里有9行枣树，每行12棵，每棵枣树收枣9千克．这个枣园一共收枣多少千克？
<gadget id="calculator">12 * 9 * 9</gadget>
<output>972</output>

<result>972</result>