The work efficiency ratio of the master and the apprentice is 4:3, the work completed by the master in 14 days can be completed in how many days by the cooperation of the master and the apprentice.
师徒二人的工作效率比为4：3，师傅14天完成的工作由师徒合作多少天可完成．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / (3/4)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">12 * (4/3)</gadget>
<output>16</output>

<result>16</result>