A machine part is 0.25 cm long, and it is drawn on a plan with a scale of 100:1. How many centimeters is the part on the picture?
一个机器零件长0.25厘米，画在一幅比例尺是100：1的平面图上，图上的零件长多少厘米？
<gadget id="calculator">100 / 1</gadget>
<output>100</output>

<gadget id="calculator">0.25 * 100</gadget>
<output>25</output>

<result>25</result>