The canteen of the experimental kindergarten bought 16 kilograms of beans and tomatoes, 3.4 yuan per kilogram of beans, and 1.6 yuan per kilogram of tomatoes. How much did it cost to buy the two vegetables?
实验幼儿园食堂买来豆角和西红柿各16千克，每千克豆角3.4元，每千克西红柿1.6元，买两种菜共花多少钱？
<gadget id="calculator">3.4 + 1.6</gadget>
<output>5</output>

<gadget id="calculator">5 * 16</gadget>
<output>80</output>

<result>80</result>