An elephant in a zoo eats 180 kilograms of food a day, which is 30 kilograms less than five times the food a panda eats a day. How many kilograms of food does a panda eat a day?
动物园里的一头大象每天吃180千克食物，比熊猫每天吃的食物的5倍少30千克，熊猫每天吃多少千克食物？
<gadget id="calculator">180 + 30</gadget>
<output>210</output>

<gadget id="calculator">210 / 5</gadget>
<output>42</output>

<result>42</result>