The quotient of a number divided by 4 is 12 and the remainder is 3. What is the number?
一个数除以4商是12，余数是3，这个数是多少．
<gadget id="calculator">4 * 12</gadget>
<output>48</output>

<gadget id="calculator">48 + 3</gadget>
<output>51</output>

<result>51</result>