var: 5
---
should be -2.5: {{ 1.5 * 2.5 * 2 / 3 - var }}
should be -3.0: {{ 1.5 * 2.5 * 2 // 3 - var }}
should be 2.0: {{ 4 / 2 }}
should be 2: {{ 4 // 2 }}
