我每天都要计算我的开支。
wǒ měitiān dūyào jìsuàn wǒde kāizhī 。
I need to calculate my expenses every day.
老师让我们计算这道数学题。
lǎoshī ràng wǒmen jìsuàn zhè dào shùxué tí 。
The teacher asked us to calculate this math problem.
你能帮我计算一下这个总和吗?
nǐ néng bāng wǒ jìsuàn yīxià zhègè zǒnghé ma ?
Can you help me to calculate this sum?