Francine drives 140km to work each day. If she does not go to work 3 days every week, find the total distance she drives to work for 4 weeks in kilometers.
There are 7 days in a week, so if he doesn't go to work for 3 days, he goes 7-3 = 
<gadget id="calculator">7-3</gadget>
<output>4</output>
4 days every week.
He travels 140km each day for a weekly total of 140*4 = 
<gadget id="calculator">140*4</gadget>
<output>560</output>
560km.
In 4 weeks he will travel a total of 4*560 = 
<gadget id="calculator">4*560</gadget>
<output>2_240</output>
2240km.

<result>2_240</result>