When 148 is divided by a number, the quotient is 8 and the remainder is 4. What is the number?
148除以一个数，商是8，余数是4，这个数是多少．
<gadget id="calculator">148 - 4</gadget>
<output>144</output>

<gadget id="calculator">144 / 8</gadget>
<output>18</output>

<result>18</result>