On Arbor Day, the third grade planted a total of 318 trees, and the sixth grade planted three times as many trees as the third grade. How many trees were planted in the sixth grade?
植树节那天，三年级共植树318棵，六年级植树是三年级的3倍，六年级共植树多少棵？
<gadget id="calculator">318 * 3</gadget>
<output>954</output>

<result>954</result>