Of the (1/3) TV sets sold in the electrical store, exactly 25 sets were sold. How many sets did the electrical store originally have?
电器店卖出电视机的(1/3)，正好卖出25台．电器店原来有多少台？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25 / (1/3)</gadget>
<output>75</output>

<result>75</result>