A clothing store buys a batch of clothes at a price of 75 yuan a set and sells them at a price of 120 yuan a set. When 75% of the clothing is sold, the clothing store has made a profit of 1890 yuan. How many sets of clothing did the clothing store purchase in total?
服装店以75元一套的价格进购一批服装，以120元一套的价格出售．当卖了这套服装的75%时，服装店已经获利了1890元．服装店一共进购了多少套服装？
<gadget id="calculator">90 - 75</gadget>
<output>15</output>

<gadget id="calculator">1_890 / 15</gadget>
<output>126</output>

<result>126</result>