The kindergarten purchased 3 wooden horses and 7 baby carriages, and paid a total of 1140.8 yuan. It is known that the price of a baby carriage is equivalent to buying 4 wooden horses. How much is a baby carriage?
幼儿园购买3个木马和7辆童车，共付款1140.8元，已知一辆童车的价钱相当于买4个木马的钱，一辆童车多少元？
<gadget id="calculator">4 * 7</gadget>
<output>28</output>

<gadget id="calculator">3 + 28</gadget>
<output>31</output>

<gadget id="calculator">1_140.8 / 31</gadget>
<output>36.8</output>

<gadget id="calculator">36.8 * 4</gadget>
<output>147.2</output>

<result>147.2</result>