Tie a cylindrical cake box with ribbons, the knot is just the center of the bottom surface, and 25 cm of ribbons are used for knotting. The diameter of the bottom of this cylinder is 29 cm, and the height is 15 cm. How many centimeters of ribbons are used to tie the cake box? ?
用彩带捆扎一个圆柱形的蛋糕盒，打结处正好是底面圆心，打结用去彩带25厘米，这个圆柱的底面直径是29厘米，高是15厘米，扎这个蛋糕盒至少用去多少厘米彩带？
<gadget id="calculator">29 * 4</gadget>
<output>116</output>

<gadget id="calculator">15 * 4</gadget>
<output>60</output>

<gadget id="calculator">116 + 60 + 25</gadget>
<output>201</output>

<result>201</result>