Guangming Glass Factory produced 20,000 boxes of glass in October, which was (1/3) more than in September. If the number of glass boxes produced in September is regarded as the unit "1", then the number of glass boxes produced in October is equivalent to that in September,
光明玻璃厂十月份生产玻璃20000箱，比九月份多生产了(1/3)．如果把九月份生产的玻璃箱数看作单位"1"，那么十月份生产的玻璃箱数就相当于九月份的多少、
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>