When Uncle Wang bought things for the first time, he used half of the money in the bag; then he went to the bank to withdraw 150 yuan, and after withdrawing the money, he went to buy clothes, and used half of the money in the bag, leaving 130 yuan. When shopping, how much money is in the bag?
王叔叔第一次買東西時，用去袋中錢的一半；然後去銀行取款150元，取款後再去買衣服，又用去袋中錢的一半，剩下130元，王叔叔第一次買東西時，袋中原有錢多少元．
<gadget id="calculator">130 * 2</gadget>
<output>260</output>

<gadget id="calculator">260 - 150</gadget>
<output>110</output>

<gadget id="calculator">1 / 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">110 / (1/2)</gadget>
<output>220</output>

<result>220</result>