(1/3) of the number A is equal to (1/6) of the number B. The number A is 90. What is the number B?
甲数的(1/3)与乙数的(1/6)相等，甲数是90，乙数是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/3) / (1/6)</gadget>
<output>2</output>

<gadget id="calculator">90 * 2</gadget>
<output>180</output>

<result>180</result>