Using the four numbers 3, 4, 5, and 6, several different two-digit numbers can be formed. What is the product of the largest two-digit number and the smallest two-digit number? ．
用3，4，5，6这四个数字能组成几个不同的两位数．最大的两位数与最小的两位数的积是多少？．
<gadget id="calculator">65 * 34</gadget>
<output>2_210</output>

<result>2_210</result>