On average, each jujube tree produces 150 kilograms of jujubes, how many kilograms of jujubes can be produced by 2 jujube trees.
平均每棵枣树产枣150千克，2棵枣树产枣多少千克．
<gadget id="calculator">150 * 2</gadget>
<output>300</output>

<result>300</result>