Calculation: (1+(1/2)+(1/3)+(1/4)+(1/5))*((1/3)+(1/4)+(1/5))- (1+(1/3)+(1/4))*((1/2)+(1/3)+(1/4)+(1/5))
计算：(1+(1/2)+(1/3)+(1/4)+(1/5))*((1/3)+(1/4)+(1/5))-(1+(1/3)+(1/4))*((1/2)+(1/3)+(1/4)+(1/5))
<gadget id="calculator">227 / 450</gadget>
<output>227/450 = around 0.504444</output>

<result>227/450 = around 0.504444</result>