When a number is divided by 3, the quotient is 48 and the remainder is 2. What is the number?
一个数除以3，商是48，余数是2，这个数是多少．
<gadget id="calculator">3 * 48</gadget>
<output>144</output>

<gadget id="calculator">144 + 2</gadget>
<output>146</output>

<result>146</result>