Aunt Zhang is going to buy a TV. There are two ways to pay regularly: 750 yuan for the first month, and 150 yuan for the next month; or 200 yuan for the first half of the time, and 300 yuan for the second half of the time. So how much is the price of this TV?
张阿姨去买一台电视机，定期付款有两种方式：首月付750元，接着每月付150元；或者前一半时间每月付200元，后一半时间每月付300元．那么这台电视机的价格是多少元？
<gadget id="calculator">750 - 150</gadget>
<output>600</output>

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

<gadget id="calculator">200 * (1/2)</gadget>
<output>100</output>

<gadget id="calculator">300 * (1/2)</gadget>
<output>150</output>

<gadget id="calculator">150 - 150</gadget>
<output>0</output>

<gadget id="calculator">100 + 0</gadget>
<output>100</output>

<gadget id="calculator">600 / 100</gadget>
<output>6</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">5 * 150</gadget>
<output>750</output>

<gadget id="calculator">750 + 750</gadget>
<output>1_500</output>

<result>1_500</result>