Teacher Li wants to send New Year gifts to students in three classes of the fourth grade. There are 51 people in the first class of the fourth year, 48 people in the second class of the fourth year, and 49 people in the third class of the fourth year. If each student has a gift, he will have a total of How many gifts do you have?
李老师要给四年级3个班的同学发送新年礼物，四年一班有51人，四年二班有48人，四年三班有49人，如果每名同学一份礼物，他一共要准备多少份礼物？
<gadget id="calculator">51 + 48 + 49</gadget>
<output>148</output>

<result>148</result>