A project was completed with a budget of 800,000 yuan, and the budget was increased (1/10) due to needs, and the actual cost was reduced (2/11) due to technological innovation during construction. How much did the project actually cost? Ten thousand yuan?
完成一项工程，预算为80万元，后因需要又增加了预算的(1/10)，在施工中由于技术革新，实际费用又降低了(2/11)，这项工程实际用了多少万元？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

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

<gadget id="calculator">2 / 11</gadget>
<output>2/11 = around 0.181818</output>

<gadget id="calculator">1 - (2/11)</gadget>
<output>9/11 = around 0.818182</output>

<gadget id="calculator">80 * (11/10) * (9/11)</gadget>
<output>72</output>

<result>72</result>