The ratio of a precision part drawing is 5:1. The length of a certain part measured on the drawing is 48mm. What is the actual length of this part?
一张精密零件图纸的比例是5：1，在图上量得某个零件长度是48毫米，这个零件实际长度是多少．
<gadget id="calculator">48 / 5</gadget>
<output>48/5 = around 9.6</output>

<result>48/5 = around 9.6</result>