Calculate (1/(1*2))+(2/(1*2*3))+(3/(1*2*3*4))+…+(9/(1*2*3*… What is the value of *10)).
计算(1/(1*2))+(2/(1*2*3))+(3/(1*2*3*4))+…+(9/(1*2*3*…*10))的值为多少．
<gadget id="calculator">1 / 3_628_800</gadget>
<output>1/3_628_800 = around 0</output>

<gadget id="calculator">1 - (1/3_628_800)</gadget>
<output>3_628_799/3_628_800 = around 1</output>

<result>3_628_799/3_628_800 = around 1</result>