The number A is divided by the number B, the quotient is 54, and the remainder is 700. If the number B is 900, what is the number A?
甲数除以乙数，商是54，余数是700，如果乙数是900，甲数是多少．
<gadget id="calculator">700 * 54</gadget>
<output>37_800</output>

<gadget id="calculator">37_800 + 700</gadget>
<output>38_500</output>

<result>38_500</result>