There is a two-digit number that leaves 7 when divided by 9, 6 when divided by 8, and 2 when divided by 4. What is the two-digit number?
有一个两位数，它被9除余7，被8除余6，被4除余2，这个两位数是多少？
<gadget id="calculator">8 * 9</gadget>
<output>72</output>

<gadget id="calculator">72 - 2</gadget>
<output>70</output>

<result>70</result>