A fraction is divided by 1(2/3) and 3.75 respectively, the quotients are all integers, what is the smallest number.
一个分数分别被1(2/3)与3.75除，商都是整数，这个数最小是多少．
<gadget id="calculator">15 / 1</gadget>
<output>15</output>

<result>15</result>