Three classes in the third grade went out to participate in the "I Love Science" activity together. Each class was divided into 4 groups on average, with 14 students in each group. How many people in the third grade participated in this activity?
三年级3个班同学，一起外出参加"我爱科学"活动，每个班平均分成4组，每组14人，三年级一共有多少人参加这次活动？
<gadget id="calculator">14 * 4 * 3</gadget>
<output>168</output>

<result>168</result>