Take any 3 numbers from 1, 3, 5, 7, and take any 2 numbers from 2, 4, 6 to form a five-digit number without repeated numbers. How many numbers can be formed in total?
从1、3、5、7中任取3个数字，从2、4、6中任取2个数字，组成没有重复数字的五位数，一共可以组成多少个数．
<gadget id="calculator">4 * 3 * 5 * 4 * 3 * 2 * 1</gadget>
<output>1_440</output>

<result>1_440</result>