The master worker melts a square steel block with a side length of 15 cm into a steel bar with a square cross section. It is known that the side length of the cross section of this steel bar is 3 cm. If you do the math, the length of the processed steel bar is How much rice?
工人师傅将一个棱长15厘米的正方体钢块熔铸成一个横截面是正方形的钢条，已知这根钢条的横截面边长是3厘米，你算一算，加工成的钢条长是多少米？
<gadget id="calculator">15 ** 3</gadget>
<output>3_375</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3_375 / 9 / 100</gadget>
<output>15/4 = around 3.75</output>

<result>15/4 = around 3.75</result>