There are 9 baskets of tomatoes in the store, and 3 baskets of 12 kilograms are sold, just accounting for all (3/8). Ask how many kilograms of original tomatoes in the store?
商店里有9筐西红柿，卖出3筐又12千克，刚好占全部的(3/8)．问商店原有西红柿多少千克？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(3/8) - (1/3)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">12 / (1/24)</gadget>
<output>288</output>

<result>288</result>