The divisor and quotient are both 18, and the remainder is 0. What is the dividend?
除数与商都是18，余数是0，被除数是多少．
<gadget id="calculator">18 * 18</gadget>
<output>324</output>

<gadget id="calculator">324 + 0</gadget>
<output>324</output>

<result>324</result>