Computer City transports 200 computers of a certain type, and sells them at the fixed price for a profit of 40,000 yuan. If it is sold at a 5% discount, it will cost 10,000 yuan. How much is the cost of this computer.
电脑城运进某种电脑200台，按定价出售获利4万元．如果按九五折出售，则要亏1万元．这种电脑的成本价是多少元．
<gadget id="calculator">40_000 + 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">200 * (19/20)</gadget>
<output>190</output>

<gadget id="calculator">200 - 190</gadget>
<output>10</output>

<gadget id="calculator">50_000 / 10</gadget>
<output>5_000</output>

<gadget id="calculator">40_000 / 200</gadget>
<output>200</output>

<gadget id="calculator">5_000 - 200</gadget>
<output>4_800</output>

<result>4_800</result>