What is the difference between the largest three-digit number and the smallest three-digit number among the three-digit numbers that are multiples of 2, 3 and multiples of 5 composed of the smallest composite number, the smallest prime number and 0?
用最小的合数，最小的质数和0组成的既是2、3的倍数，又是5的倍数的三位数中，其中最大三位数与最小三位数的差是多少？
<gadget id="calculator">420 - 240</gadget>
<output>180</output>

<result>180</result>