Four teams pick tea leaves. Teams A, B, and C pick 24 kilograms of tea on average, and teams B, C, and D pick 26 kilograms of tea on average. Team D picks 28 kilograms of tea, and Team A picks tea. How many kilograms?
四个小队采茶叶，甲、乙、丙三个队平均每队采茶24千克，乙、丙、丁三个队平均每队采茶26千克，其中丁队采茶28千克，甲队采茶多少千克？
<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>