Students make silk flowers, each bunch of 6, can be tied into 18 bunches. If each bunch has 9 flowers, how many bunches can be tied?
同学们做绢花，每束6朵，可以扎成18束．如果每束9朵，可以扎成多少束？
<gadget id="calculator">18 / 9</gadget>
<output>2</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<result>12</result>