If a and b are reciprocals of each other, and ((a)/6)=((x)/(b)), then, 5x=how much.
如果a与b互为倒数，且((a)/6)=((x)/(b))，那么，5x=多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">5 * (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>