A barrel of pesticides, 34 kilograms were taken out for the first time, and 30% was taken out for the second time (5/12), how many kilograms were there in this batch of pesticides?
一桶农药，第一次取出34千克，第二次取出(5/12)，还剩30%，这批农药原来有多少千克？
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(5/12) + (3/10)</gadget>
<output>43/60 = around 0.716667</output>

<gadget id="calculator">1 - (43/60)</gadget>
<output>17/60 = around 0.283333</output>

<gadget id="calculator">34 / (17/60)</gadget>
<output>120</output>

<result>120</result>