Xiaoqiang did an average of 45 sit-ups every day in the first 4 days of last week, and a total of 149 in the last 3 days. How many sit-ups did Xiaoqiang averagely every day last week?
小强上星期前4天平均每天做仰卧起坐45个，后3天共做149个，小强上星期平均每天做仰卧起坐多少个？
<gadget id="calculator">45 * 4</gadget>
<output>180</output>

<gadget id="calculator">180 + 149</gadget>
<output>329</output>

<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">329 / 7</gadget>
<output>47</output>

<result>47</result>