The divisor is 9, the quotient is 5, the remainder is 2, what is the dividend.
除数是9，商是5，余数是2，被除数是多少．
<gadget id="calculator">5 * 9</gadget>
<output>45</output>

<gadget id="calculator">45 + 2</gadget>
<output>47</output>

<result>47</result>