Advance Machinery Factory produces a kind of parts, each of which uses 1.5 kg of steel. After technological innovation, each saves 0.3 kg of steel. Originally made 500 steel parts of this kind of parts, how many can be made now?
前进机器厂生产一种零件，每个用钢材1.5千克．技术革新后，每个节约钢材0.3千克．原来做500个这种零件的钢材，现在可以做多少个？
<gadget id="calculator">1.5 * 500</gadget>
<output>750</output>

<gadget id="calculator">1.5 - 0.3</gadget>
<output>1.2</output>

<gadget id="calculator">750 / 1.2</gadget>
<output>625</output>

<result>625</result>