The output value of a certain refrigerator factory last year was 84 million yuan, an increase of 20% over the previous year's output value, and this year's output value increased by 25% over the previous year. How much is the output value of this factory this year?
某冰箱厂去年的产值是8400万元，比前年的产值增长了两成，而今年的产值比前年增长了两成五，该厂今年的产值是多少万元？
<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">8_400 / (6/5)</gadget>
<output>7_000</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">7_000 * (5/4)</gadget>
<output>8_750</output>

<result>8_750</result>