There is a batch of toys, if there are 30 toys in each box, there will be no surplus; if there are 50 toys in each box, there will be no surplus. What is the minimum number of toys in this batch?
有一批玩具，如果每箱装30个，没有剩余；如果每箱装50个，也没有剩余．这批玩具最少有多少个？
<gadget id="calculator">2 * 3 * 5 * 5</gadget>
<output>150</output>

<result>150</result>