The factory produces a mobile phone battery. It used to cost 22.5 yuan of materials to produce each piece. After improving the technology, each battery only needs 15 yuan of materials. Originally produced 150 batteries, how many can be produced now?
工厂生产一款手机电池，原来每生产一块需要22.5元的材料，改进技术以后，每块电池仅需要15元的材料．原来生产150块电池的材料，现在可以生产多少块？
<gadget id="calculator">150 / 15</gadget>
<output>10</output>

<gadget id="calculator">22.5 * 10</gadget>
<output>225</output>

<result>225</result>