Calculation: ((2017*(3.5*61-2.8))/(3.4*61+3.3)).
计算：((2017*(3.5*61-2.8))/(3.4*61+3.3))．
<gadget id="calculator">3.5 * 61</gadget>
<output>213.5</output>

<gadget id="calculator">213.5 - 2.8</gadget>
<output>210.7</output>

<gadget id="calculator">2_017 * 210.7</gadget>
<output>424_981.9</output>

<gadget id="calculator">3.4 * 61</gadget>
<output>207.4</output>

<gadget id="calculator">207.4 + 3.3</gadget>
<output>210.7</output>

<gadget id="calculator">424_981.9 / 210.7</gadget>
<output>2_017</output>

<result>2_017</result>