When a number is divided by the largest two-digit number, the quotient is 20 and the remainder is 33. What is the dividend?
一个数除以最大的两位数，商是20，余数是33，这个被除数是多少．
<gadget id="calculator">20 * 99</gadget>
<output>1_980</output>

<gadget id="calculator">1_980 + 33</gadget>
<output>2_013</output>

<result>2_013</result>