(1/5) 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(1/5)与乙数的(1/6)相等，甲数是90，乙数是多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">(1/5) / (1/6)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">90 * (6/5)</gadget>
<output>108</output>

<result>108</result>