Calculation: 0.1**3+0.2**3+0.3**3+…+0.9**3 (hint: 1**3+2**3+3**3+…+n**3=(1 +2+3+...+n)**2).
计算：0.1**3+0.2**3+0.3**3+…+0.9**3(提示：1**3+2**3+3**3+…+n**3=(1+2+3+…+n)**2)．
<gadget id="calculator">1 / 1_000</gadget>
<output>1/1_000 = around 0.001</output>

<gadget id="calculator">2_025 * (1/1_000)</gadget>
<output>81/40 = around 2.025</output>

<result>81/40 = around 2.025</result>