Master Wang needs to process a batch of parts, 36% of this batch of parts will be completed in the first 8 days, and the remaining 6.4% of this batch of parts will be processed every day on average. How many days will Master Wang need to complete the task? Column: how much.
王师傅要加工一批零件，前8天完成这批零件的36%，剩下的平均每天做这批零件的6.4%，王师傅共要几天任务？列式：多少．
<gadget id="calculator">36 / 100</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">1 - (9/25)</gadget>
<output>16/25 = around 0.64</output>

<gadget id="calculator">6.4 / 100</gadget>
<output>0.064</output>

<gadget id="calculator">(16/25) / 0.064</gadget>
<output>10</output>

<gadget id="calculator">10 + 8</gadget>
<output>18</output>

<result>18</result>