A and B warehouses have a total of 180 tons of grain. After warehouse A shipped out 30 tons, warehouse A’s grain was 2/3 of that of warehouse B. How many tons were there in warehouses A and B?
甲、乙两仓共有粮食180吨，甲仓运出30吨后，甲仓粮食是乙仓的(2/3)，原来甲、乙两仓各有多少吨？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">180 * (2/3)</gadget>
<output>120</output>

<gadget id="calculator">30 + 120</gadget>
<output>150</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">150 / (5/3)</gadget>
<output>90</output>

<gadget id="calculator">180 - 90</gadget>
<output>90</output>

<result>90</result>