What is the smallest three-digit number that is a common multiple of 2 and 3 and has a factor of 5?
既是2和3的公倍数，又有因数5的最小三位数是多少．
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<gadget id="calculator">30 * 4</gadget>
<output>120</output>

<result>120</result>