The number A is 18, which is equivalent to (1/3) of the number B. What is the number B?
甲数是18，相当于乙数的(1/3)，乙数是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 / (1/3)</gadget>
<output>54</output>

<result>54</result>