Master Zhang bought a batch of toy rabbits at a price of 2.8 yuan each, and then sold them at a price of 3.6 yuan each. When 5/6 of the total was sold, he not only recovered all the costs, but also made a profit of 24 yuan. How many toy rabbits did Master Zhang buy in total?
张师傅以每只2.8元的价格购进一批玩具兔，然后以每只3.6元的价格卖出，当卖到总数的(5/6)时，不但收回了全部成本，还赢利24元，张师傅一共购进多少只玩具兔？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">3.6 * (5/6)</gadget>
<output>3</output>

<gadget id="calculator">3 - 2.8</gadget>
<output>0.2</output>

<gadget id="calculator">24 / 0.2</gadget>
<output>120</output>

<result>120</result>