There are 10 boxes of chocolates. If 8 chocolates are removed from each box, then the number of chocolates remaining in the 10 boxes is exactly equal to the number of chocolates left in the original 8 boxes. How many chocolates are there in each box?
有10盒巧克力．如果从每盒中取走8颗巧克力，那么10盒巧克力剩下的颗数正好和原来8盒巧克力的颗数相等．原来每盒有多少颗巧克力？
<gadget id="calculator">10 - 8</gadget>
<output>2</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<result>40</result>