In the division formula 7200/900=8, if the divisor becomes 9, what should be the dividend to keep the quotient unchanged.
在除法算式7200/900=8，如果除数变成9，要使商不变，被除数应是多少．
<gadget id="calculator">7_200 / 100</gadget>
<output>72</output>

<result>72</result>