Calculation: ((2013*(3.4*69+3.5))/(3.5*69-3.4)).
计算：((2013*(3.4*69+3.5))/(3.5*69-3.4))．
<gadget id="calculator">3.4 * 69</gadget>
<output>234.6</output>

<gadget id="calculator">234.6 + 3.5</gadget>
<output>238.1</output>

<gadget id="calculator">2_013 * 238.1</gadget>
<output>479_295.3</output>

<gadget id="calculator">3.5 * 69</gadget>
<output>241.5</output>

<gadget id="calculator">241.5 - 3.4</gadget>
<output>238.1</output>

<gadget id="calculator">479_295.3 / 238.1</gadget>
<output>2_013</output>

<result>2_013</result>