The number of A is 14.9, and the number of B is 4.6 times of it. What is the number of B?
甲数是14.9，乙数是它的4.6倍，乙数是多少．
<gadget id="calculator">14.9 * 4.6</gadget>
<output>68.54</output>

<result>68.54</result>