Mr. Li invests in two companies A and B with a sum of money. If 10% and 5% of the investment in companies A and B are withdrawn respectively, the total investment will be reduced by 8%. Withdrawing 15% and 10% of the investment amount respectively, the total investment amount will be reduced by 1 million yuan. How much is the fund Mr. Li invested?
李先生以一笔资金投资甲、乙两个企业，若从甲、乙两企业的投资额中各抽回10%和5%的资金，则总投资额减少8%，若从甲、乙企业的投资额中各抽回15%和10%，则总投资额减少100万元，李先生投资的这笔资金为多少万元？
<gadget id="calculator">13 / 60</gadget>
<output>13/60 = around 0.216667</output>

<gadget id="calculator">100 / (13/60)</gadget>
<output>6_000/13 = around 461.538462</output>

<gadget id="calculator">8 / 100</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(2/25) - (1/20)</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) - (2/25)</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">(3/100) / (1/50)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 / (3/2)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) * (6_000/13)</gadget>
<output>4_000/13 = around 307.692308</output>

<gadget id="calculator">(6_000/13) + (4_000/13)</gadget>
<output>10_000/13 = around 769.230769</output>

<result>10_000/13 = around 769.230769</result>