There are 40 chickens and rabbits in the same cage, and the number of rabbit feet is 8 less than 10 times the number of chicken feet, so how many rabbits are there?
鸡兔同笼，共有40个头，兔脚的数目比鸡脚的数目的10倍少8只，那么兔有多少只．
<gadget id="calculator">10 * 2 * 40</gadget>
<output>800</output>

<gadget id="calculator">800 - 8</gadget>
<output>792</output>

<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">4 + 20</gadget>
<output>24</output>

<gadget id="calculator">792 / 24</gadget>
<output>33</output>

<result>33</result>