The ratio of bags of rice to flour shipped from the store is 4:3. It is known that there are 12 bags of rice, but how many bags of flour are there?
商店运来大米与面粉的袋数比是4：3，已知大米有12袋，面粉有多少袋？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">12 * (3/4)</gadget>
<output>9</output>

<result>9</result>