Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
 Kwa mradi, mfanyakazi wa ujenzi alinunua masanduku 7 ya misumari kila sanduku likiwa na misumari 11. Alichukua pia masanduku 3 ya vifaa vya kufunga kila sanduku likiwa na vifaa 15. Alimaliza mradi siku 6 mapema na alikuwa na misumari 3 na vifaa 6 vilivyosalia. Alitumia misumari na vifaa vingapi kwa mradi huo?


### Response:
 Mfanyakazi alitumia misumari 7*11-3=<<7*11-3=74>>74.
Pia alitumia vifaa 3*15-6= <<3*15-6=39>>39.