Mr. Zhang bought a house at 95% of the price of 200,000 yuan. After a period of time, he sold the house at a price exceeding 20% of the original price. How much profit did Mr. Zhang actually make in the process of buying and selling this house?
张先生以标价20万元的95%买下一套房子，经过一段时间后，他又以超出原标价的20%的价格将房子卖出．张先生在买进和卖出这套房子的过程中实际获利是多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">20 * (6/5)</gadget>
<output>24</output>

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

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

<gadget id="calculator">24 - 19</gadget>
<output>5</output>

<result>5</result>