A batch of cloth is used to make children's clothing, a pair of trousers uses 0.8 meters of cloth, and a jacket uses 0.4 meters more cloth than a pair of trousers. If you make all the pants, you can make 150 pairs. If you make all the tops, how many pieces can you make?
用一批布料制作儿童服装，一条裤子用布0.8米，一件上衣比一条裤子多用布0.4米．如果全部做裤子，可以做150条，如果全部做上衣，可以做多少件？
<gadget id="calculator">0.8 + 0.4</gadget>
<output>1.2</output>

<gadget id="calculator">150 / 1.2</gadget>
<output>125</output>

<gadget id="calculator">0.8 * 125</gadget>
<output>100</output>

<result>100</result>