In order to organize donation activities for the earthquake-stricken areas, Wuai Primary School made a cube love box with a side length of 50 cm, and pasted red paper on its five sides (leaving a small opening of 25 square centimeters on the top of the love box). How many square centimeters of red paper?
五爱小学为了组织为地震灾区捐款活动，制作了一个棱长是50厘米的正方体爱心箱，把它的5个面都帖上红纸(爱心箱上面留一个25平方厘米的小口)，至少需要多少平方厘米的红纸？
<gadget id="calculator">50 * 50 * 5</gadget>
<output>12_500</output>

<gadget id="calculator">12_500 - 25</gadget>
<output>12_475</output>

<result>12_475</result>