A six-digit number, which is a multiple of 5 and has a factor of 3, what is the possible number of this number.
一个六位数，这个六位数既是5的倍数，又有因数3，这个数可能是多少．
<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">15 * 6_667</gadget>
<output>100_005</output>

<result>100_005</result>