Uniform method: calculation: ((1**2)/1)+((1**2+2**2)/(1+2))+((1**2+2**2+3* *2)/(1+2+3))+…+((1**2+2**2+…+27**2)/(1+2+…+27)).
统一法：计算：((1**2)/1)+((1**2+2**2)/(1+2))+((1**2+2**2+3**2)/(1+2+3))+…+((1**2+2**2+…+27**2)/(1+2+…+27))．
<gadget id="calculator">5 + 201</gadget>
<output>206</output>

<gadget id="calculator">201 - 5</gadget>
<output>196</output>

<gadget id="calculator">196 / 2</gadget>
<output>98</output>

<gadget id="calculator">98 + 1</gadget>
<output>99</output>

<gadget id="calculator">99 / 2</gadget>
<output>99/2 = around 49.5</output>

<gadget id="calculator">206 * (99/2)</gadget>
<output>10_197</output>

<gadget id="calculator">10_197 / 3</gadget>
<output>3_399</output>

<gadget id="calculator">1 + 3_399</gadget>
<output>3_400</output>

<result>3_400</result>