Gordon owns 3 restaurants, his first restaurant serves 20 meals, his second restaurant serves 40 meals, and his third restaurant serves 50 meals per day. How many meals do his 3 restaurants serve per week?
Gordon serves 20 x 7 = 
<gadget id="calculator">20*7</gadget>
<output>140</output>
140 meals in his first restaurant per week.
He serves 40 x 7= 
<gadget id="calculator">40*7</gadget>
<output>280</output>
280 meals in his second restaurant per week.
At the third restaurant, he serves 50 x 7 = 
<gadget id="calculator">50*7</gadget>
<output>350</output>
350 meals per week.
Therefore, he serves 140 + 280 + 350 = 
<gadget id="calculator">140+280+350</gadget>
<output>770</output>
770 meals in total per week.

<result>770</result>