The number of A is 12, the number of B is more than the number of A (1/3), what is the number of B?
甲数是12，乙数比甲数多(1/3)，乙数是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">12 * (4/3)</gadget>
<output>16</output>

<result>16</result>