A square steel block with a side length of 1 meter is cast into a cylinder with a base area of 12 square decimeters. Divide it into two sections according to 1:3, how many decimeters is the length of the longer section of the cylinder?
把1个棱长为1米的正方体钢块，铸造成底面积为12平方分米的一个圆柱．再按1：3分成两段，较长一段圆柱的长是多少分米？
<gadget id="calculator">10 / 12</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 * 10 * 1 * 10 * 1 * (5/6) * (3/4)</gadget>
<output>125/2 = around 62.5</output>

<result>125/2 = around 62.5</result>