Within 120, there are several natural numbers that are exactly the product of 3 different prime numbers, and what is the largest among them.
在120以内，共有几个自然数恰好是3个不同质数的乘积，其中最大是多少．
<gadget id="calculator">2 * 3 * 19</gadget>
<output>114</output>

<result>114</result>