(3/2)+(3/4)+(3/8)+(3/16)+(3/32)+(3/64)+(3/128)+(3/256)=how much.
(3/2)+(3/4)+(3/8)+(3/16)+(3/32)+(3/64)+(3/128)+(3/256)=多少．
<gadget id="calculator">765 / 1_024</gadget>
<output>765/1_024 = around 0.74707</output>

<result>765/1_024 = around 0.74707</result>