There is a batch of toys in the warehouse. After shipping out (3/7) of this batch of toys, another 200,000 pieces are shipped in. At this time, there are 50,000 more toys in the warehouse than before. How many thousands of toys did the warehouse originally have?
仓库里有一批玩具，运出这批玩具数量的(3/7)后，又运进20万件，这时仓库里的玩具比原来还多5万件．仓库原来有玩具多少万件？
<gadget id="calculator">20 - 5</gadget>
<output>15</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">15 / (3/7)</gadget>
<output>35</output>

<result>35</result>