Mom spent 5.8 yuan on fruits, 2.6 yuan on vegetables, and 5.2 yuan more on fish than the sum of fruits and vegetables. How much did she spend on fish?
妈妈买水果花了5.8元，买蔬菜花了2.6元，买鱼花的钱比水果和蔬菜的总和还多5.2元，买鱼花了多少钱？
<gadget id="calculator">5.8 + 2.6</gadget>
<output>8.4</output>

<gadget id="calculator">8.4 + 5.2</gadget>
<output>13.6</output>

<result>13.6</result>