Forge a cuboid iron block with a sum of edge lengths of 6 decimeters into a cuboid iron block with a height of 2 cm and a height of 5 cm. What is its length in cm?
把一个棱长总和是6分米的正方体铁块锻造成2厘米，高5厘米的长方体铁块，它的长是多少厘米
<gadget id="calculator">10 / 12</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">2 * 6 * (5/6)</gadget>
<output>10</output>

<gadget id="calculator">10 / 12 / 10</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">6 * (5/6) * 6 * (5/6) * 6 * (1/12)</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>