A shopping mall brought in a batch of paint, sold (2/5), and then shipped in 22 barrels. At this time, the paint in the store was equivalent to the original (7/8). How many barrels of paint were there in the store?
某商场运进一批油漆，卖掉(2/5)后，又运进22桶，这时店里的油漆相当于原来的(7/8)，原来店里有多少桶油漆？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(7/8) - (3/5)</gadget>
<output>11/40 = around 0.275</output>

<gadget id="calculator">22 / (11/40)</gadget>
<output>80</output>

<result>80</result>