On a precision part drawing with a scale of 5:1, the length of a part is measured to be 25 mm. What is the length of this part in centimeters?
在一幅比例尺是5：1的精密零件图上，量得一种零件长25毫米，这种零件长是多少厘米．
<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<gadget id="calculator">25 / 5 / 10</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>