Chunfeng Restaurant bought 17 boxes of tomatoes and cucumbers each. Tomatoes are 15kg per box and cucumbers are 25kg per box. How many kilograms are the tomatoes and cucumbers together?
春风饭馆买来西红柿和黄瓜各17箱．西红柿每箱15千克，黄瓜每箱25千克．西红柿和黄瓜共多少千克？
<gadget id="calculator">15 + 25</gadget>
<output>40</output>

<gadget id="calculator">40 * 17</gadget>
<output>680</output>

<result>680</result>