A production team needs to process a batch of auto parts, and the task is completed in two days. On the first day, 85% of the total number is processed less than 6 parts, which is exactly equivalent to 4 times that of the second day. How many parts are there in total?
一个生产小组要加工一批汽车配件，两天完成任务，第一天加工了总数的85%少6个，正好相当于第二天的4倍．这批配件一共有多少个？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(17/20) - (4/5)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">6 / (1/20)</gadget>
<output>120</output>

<result>120</result>