The school art group has 30 people, the aircraft model group has 14 fewer people than the art group, and the science and technology group has three times the total number of art group and aircraft model group. How many people are there in the technology group?
学校美术小组有30人，航模组比美术组少14人，科技组是美术组和航模组总人数的3倍．科技组有多少人？
<gadget id="calculator">30 - 14</gadget>
<output>16</output>

<gadget id="calculator">16 + 30</gadget>
<output>46</output>

<gadget id="calculator">46 * 3</gadget>
<output>138</output>

<result>138</result>