Xiao Wang used 3 hours to make 5 precision parts, so how much did he complete the task in 2 hours?
小王用3小时做5个精密零件，那么他2小时完成任务的多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>