The pass rate of mineral water produced by the factory is 99.8%. If 80 bottles are unqualified, how many bottles of mineral water were produced on this day?
工厂生产的矿泉水合格率是99.8%，如果有80瓶是不合格产品，那么这一天共生产了多少瓶矿泉水？
<gadget id="calculator">99.8 / 100</gadget>
<output>0.998</output>

<gadget id="calculator">1 - 0.998</gadget>
<output>0.002</output>

<gadget id="calculator">80 / 0.002</gadget>
<output>40_000</output>

<result>40_000</result>