The day before yesterday, Liangxuan's father bought 1,000 shares at a price of 5.4 yuan per share. Yesterday it fell by 10%, but today it rose by 10%. How much is Liangxuan's father's stock worth now?
前天靓玄爸爸以每股5.4元的价钱买进1000股股票，昨天跌了10%，今天涨了10%．靓玄爸爸现在的股票值多少钱？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">5.4 * (9/10) * (11/10) * 1_000</gadget>
<output>5_346</output>

<result>5_346</result>