do the math
US /duː ðə mæθ/
UK /duː ðə mæθ/

1.
membuat pengiraan, mengira
to calculate or consider the facts and figures to understand the implications or outcome of a situation
:
•
If you work 60 hours a week at that pay, do the math – you're barely making minimum wage.
Jika anda bekerja 60 jam seminggu dengan gaji itu, buatlah pengiraan – anda hampir tidak mencapai gaji minimum.
•
She said she could afford it, but when I did the math, it just didn't add up.
Dia kata dia mampu, tetapi apabila saya membuat pengiraan, ia tidak masuk akal.