The store priced a certain type of VCD at 140% of the purchase price, and then implemented a discount of "10% discount, 50 yuan taxi fare", resulting in a profit of 145 yuan per VCD. So, how much is the purchase price of each VCD.
商店将某种型号的VCD按进价的140%定价，然后再实行"九折酬宾，外送50元出租车费"的优惠，结果每台VCD获利145元．那么，每台VCD的进价是多少元．
<gadget id="calculator">50 + 145</gadget>
<output>195</output>

<gadget id="calculator">140 / 100</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(7/5) * (9/10)</gadget>
<output>63/50 = around 1.26</output>

<gadget id="calculator">(63/50) - 1</gadget>
<output>13/50 = around 0.26</output>

<gadget id="calculator">195 / (13/50)</gadget>
<output>750</output>

<result>750</result>