Five drops of eye drops are 1 ml. In order to protect the eyes, Xiao Ming drops one drop in each eye every morning, how many days can 14ml of a certain eye drop be used.
五滴眼药水为1毫升．为保护眼睛每天早上小明在双眼各滴一滴，某眼药水14毫升能用多少天．
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">14 * (5/2)</gadget>
<output>35</output>

<result>35</result>