Jianqiang Steelworks smelted a batch of steel within a week. It smelted an average of 46 tons per day for the first 3 days, and 53 tons per day for the next 4 days. How many tons of steel does this steelworks smelt on average per day?
坚强炼钢厂在一周内炼了一批钢，前3天平均每天炼46吨，后4天平均每天炼53吨，这个炼钢厂平均每天炼钢多少吨？
<gadget id="calculator">46 * 3</gadget>
<output>138</output>

<gadget id="calculator">53 * 4</gadget>
<output>212</output>

<gadget id="calculator">138 + 212</gadget>
<output>350</output>

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

<gadget id="calculator">350 / 7</gadget>
<output>50</output>

<result>50</result>