There are four young pioneers picking up tree seeds. It is known that teams A, B, and C picked up an average of 24 kilograms each, teams B, C, and D picked up an average of 26 kilograms each, and team D picked up 28 kilograms. How many kilograms did you pick up?
有四个少先队拾树种子，已知甲、乙、丙三队平均每队拾了24千克，乙、丙、丁三队平均每队拾了26千克，丁队拾了28千克，求甲队拾了多少千克？
<gadget id="calculator">24 * 3</gadget>
<output>72</output>

<gadget id="calculator">72 + 28</gadget>
<output>100</output>

<gadget id="calculator">26 * 3</gadget>
<output>78</output>

<gadget id="calculator">100 - 78</gadget>
<output>22</output>

<result>22</result>