It is known that a and b are reciprocals of each other, then ((a)/3)*((b)/4)=how many.
已知a与b互为倒数，那么((a)/3)*((b)/4)=多少．
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<result>1/12 = around 0.083333</result>