There is a pair of children's sports shoes in the supermarket. Its price is not only a multiple of 2, but also a multiple of 3, or a multiple of 5. What is the lowest price of this pair of shoes?
超市有一双儿童运动鞋，它的价格既是2的倍数，又是3的倍数，还是5的倍数，这双鞋的价格最低是多少元？
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<result>30</result>