When a number is divided by 8, the quotient is 15 and the remainder is 7. What is the number?
一个数除以8，商是15，余数是7，这个数是多少
<gadget id="calculator">15 * 8</gadget>
<output>120</output>

<gadget id="calculator">120 + 7</gadget>
<output>127</output>

<result>127</result>