For a barrel of gasoline, 25% of the total weight is taken out for the first time, and 22.5 kg more than the first time is taken out for the second time. How many kilograms does this barrel of gasoline weigh?
一桶汽油，第一次取出总重的25%，第二次取出的比第一次的还多22.5千克，两次正好取完，这桶汽油重多少千克？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">22.5 / (1/2)</gadget>
<output>45</output>

<result>45</result>