Xiaoqiang and Xiaogang walked from the school to the Children's Palace at the same time. The school is 576 meters away from the Children's Palace. Xiaoqiang walks 48 meters per minute, and Xiaogang walks 42 meters per minute. After a few minutes, Xiaoqiang walks to the Children's Palace. How many meters is Xiaogang away from the Children's Palace?
小强和小刚同时从学校向少年宫走去，学校距离少年宫576米．小强每分钟走48米，小刚每分钟走42米，经过几分钟小强走到了少年宫，此时小刚距离少年宫还有多少米？
<gadget id="calculator">576 / 48</gadget>
<output>12</output>

<gadget id="calculator">42 * 12</gadget>
<output>504</output>

<gadget id="calculator">576 - 504</gadget>
<output>72</output>

<result>72</result>