When a number is divided by 7, the quotient is 13 and the remainder is 2. What is this number?
一个数除以7，商是13，余数是2，这个数是多少？
<gadget id="calculator">13 * 7</gadget>
<output>91</output>

<gadget id="calculator">91 + 2</gadget>
<output>93</output>

<result>93</result>