The processing of a batch of parts A is completed in 8 hours, and (1/18) more than 5 parts are processed per hour. How many parts are in this batch?
加工一批零件甲8小时完成，每小时加工(1/18)多5个，这批零件多少个？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 18</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">(1/8) - (1/18)</gadget>
<output>5/72 = around 0.069444</output>

<gadget id="calculator">5 / (5/72)</gadget>
<output>72</output>

<result>72</result>