There is a square iron block with a side length of 60 cm. Now it is cast into a rectangular iron bar with a width and a thickness of 4 cm (excluding loss). How many meters is this iron bar?
有一个棱长是60厘米的正方体铁块，现把它铸成宽和厚都是4厘米的长方形铁条(不计损耗)，这根铁条长多少米？
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">60 / 16 / 100</gadget>
<output>3/80 = around 0.0375</output>

<gadget id="calculator">60 * 60 * (3/80)</gadget>
<output>135</output>

<result>135</result>