The machine factory originally used 75 tons of steel to manufacture 50 machines. After technological innovation, the steel used for each machine saved half a ton. The original steel used to manufacture 50 units, how many units can be manufactured now.
机器厂原来制造50台机器要用钢材75吨，技术革新后，每台机器用的钢材节省了半吨．原来制造50台用的钢材，现在可造多少台．
<gadget id="calculator">75 / 50</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) - 0.5</gadget>
<output>1</output>

<gadget id="calculator">75 / 1</gadget>
<output>75</output>

<result>75</result>