cuboid can of anchovies, 15 cm long, 10 meters wide, and 6 cm high, has a circle of 5 cm high label paper attached to its side. What is the minimum area of this label paper in square centimeters?
一个长方体的凤尾鱼罐头，长15厘米、宽10米、高6厘米，在它的侧面贴上一圈高5厘米的商标纸，这张商标纸的面积至少是多少平方厘米．
<gadget id="calculator">15 * 5</gadget>
<output>75</output>

<gadget id="calculator">10 * 5</gadget>
<output>50</output>

<gadget id="calculator">75 + 50</gadget>
<output>125</output>

<gadget id="calculator">125 * 2</gadget>
<output>250</output>

<result>250</result>