Calculation: (3/(1*2*3))+(5/(2*3*4))+(7/(3*4*5))+…+(37/(18*19*20) ).
计算：(3/(1*2*3))+(5/(2*3*4))+(7/(3*4*5))+…+(37/(18*19*20))．
<gadget id="calculator">37 / 40</gadget>
<output>37/40 = around 0.925</output>

<result>37/40 = around 0.925</result>