It takes Polly 20 minutes to cook breakfast every day. She spends 5 minutes cooking lunch. She spends 10 minutes cooking dinner 4 days this week. The rest of the days she spends 30 minutes cooking dinner. How many minutes does Polly spend cooking this week?
Polly spends 20*7 =
<gadget id="calculator">20*7</gadget>
<output>140</output>
140 minutes cooking breakfast.
She spends 5*7= 
<gadget id="calculator">5*7</gadget>
<output>35</output>
35 minutes cooking lunch.
She spends (10*4)+(30*3)= 
<gadget id="calculator">10*4+30*3</gadget>
<output>130</output>
130 minutes cooking dinner.
Therefore, she spends 140+35+130=
<gadget id="calculator">140+35+130</gadget>
<output>305</output>
305 minutes cooking this week.

<result>305</result>