When Xiaohua was doing a multiplication formula, she accidentally wrote the 8 in the tens place as 4, and the 4 in the ones place as 2. The result is 40. What is the correct result.
小花在做一道乘法算式时，由于粗心将十位上的8写成了4，个位上的4写成了2．结果得到40．正确的结果是多少．
<gadget id="calculator">84 / 42</gadget>
<output>2</output>

<gadget id="calculator">40 * 2</gadget>
<output>80</output>

<result>80</result>