Master Li can make 4 parts in 8 minutes. According to this calculation, how many parts can he make per minute.
李师傅8分钟能做4个零件，照这样计算，他每分钟能做多少个零件．
<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

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