A piece of iron wire is 180 cm long. What is the volume of a cuboid whose length, appearance and height ratio is 3:2:1?
一根铁丝长180厘米，把这根铁丝扎成一个长、看、高的比是3：2：1的长方体的体积是多少？
<gadget id="calculator">180 / 4</gadget>
<output>45</output>

<gadget id="calculator">3 + 2 + 1</gadget>
<output>6</output>

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">45 * (1/2)</gadget>
<output>45/2 = around 22.5</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">45 * (1/3)</gadget>
<output>15</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">45 * (1/6)</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">(45/2) * 15 * (15/2)</gadget>
<output>10_125/4 = around 2_531.25</output>

<result>10_125/4 = around 2_531.25</result>