Split a cylindrical wood with a circumference of 18.84 decimeters along the diameter of the bottom surface to form two half cylinders, and the surface area increases by 60 square decimeters. What is the height of the cylinder in decimeters?
把一个底面周长为18.84分米的圆柱木料沿底面直径劈开，成两个半圆柱，表面积增加了60平方分米，则圆柱的高是多少分米．
<gadget id="calculator">18.84 / 3.14</gadget>
<output>6</output>

<gadget id="calculator">60 / 2 / 6</gadget>
<output>5</output>

<result>5</result>