A has 140 yuan, and A's money is twice that of B. How much is A and B's total?
甲有140元，甲的钱数是乙的2倍，甲乙共有多少元？
<gadget id="calculator">140 / 2</gadget>
<output>70</output>

<gadget id="calculator">70 + 140</gadget>
<output>210</output>

<result>210</result>