Original: An example of normal measured values for a resting, healthy adult human is 115 mmHg systolic and 75 mmHg diastolic (written as 115/75 mmHg, and spoken [in the US] as "one fifteen over seventy-five").
Simplified: Typical values for a resting, healthy adult human are about 110 mmHg systolic and 70 mmHg diastolic (written as 110/70 mmHg).