Grandma asked Xiao Ming to go to the supermarket to buy rice. The original unit price of a certain brand of rice was 4.8 yuan per kilogram, and grandma prepared for Xiaoming to buy 30 kilograms. Xiao Ming came to the supermarket and found that this kind of rice was on sale, and the unit price was 4.5 yuan per kilogram. How many kilograms of rice can you buy with this money now?
奶奶让小明去超市买大米．某品牌大米原来的单价是每千克4.8元，奶奶给小明准备好买30千克的钱．小明来到超市，发现这种大米正在促销，单价为每千克4.5元．现在这些钱可以买多少千克大米？
<gadget id="calculator">30 / 4.5</gadget>
<output>6.666667</output>

<gadget id="calculator">4.8 * 6.666667</gadget>
<output>32.000002</output>

<result>32.000002</result>