The children in three groups helped Uncle Li pick watermelons. The first group picked 29 watermelons, each second group picked 35 watermelons, and the third group picked 26 watermelons. How many did they pick in total?
三个小组的小朋友帮李大爷摘西瓜，第一组摘了29个，每二组摘了35个，第三组摘了26个，一共摘了多少个？
<gadget id="calculator">29 + 35 + 26</gadget>
<output>90</output>

<result>90</result>