A piece of steel is 5m long, and after making 5 identical parts, there is still 3m left. How many meters of steel is used for each part?
一根钢材长5m，做了5个相同的零件后，还剩下3m．每个零件用钢材多少米？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>