A kind of rice used to be 1.25 yuan per kilogram, but now the price has been raised to 1.50 yuan per kilogram. You can buy 6 tons of rice, how many tons can you buy now? (Solve with ratio)
一种大米原来每千克1.25元，现在提价到每千克1.50元，原来可以买6吨大米的钱，现在可以买多少吨？(用比例解)
<gadget id="calculator">1.25 * 6</gadget>
<output>7.5</output>

<gadget id="calculator">7.5 / 1.5</gadget>
<output>5</output>

<result>5</result>