An electronic dictionary is sold at an additional price of 36 yuan. When 60% of the units are sold, the price of each unit will be reduced by 10 yuan, and a total profit of 1,600 yuan will be made when all are sold out. How many electronic dictionaries are there in this batch? Proposition: Sha Junbiao Reviewer: Wan Tianfeng.
一种电子词典，每台加价36元出售．售出60%时，每台降价10元，全部售完时共获利润1600元．这批电子词典有多少台？命题：沙俊标审核：万田丰．
<gadget id="calculator">21.6 + 10.4</gadget>
<output>32</output>

<gadget id="calculator">1_600 / 32</gadget>
<output>50</output>

<result>50</result>